• R
  | RADIATION HYBRID MAPPING | RADIATION USE EFFICIENCY | RADIOCARBON | RADIOCARBON DATING | RADON AND RADIUM | RAIN FOREST | RAINFALL | RAINFALL INTENSITY | RAINFALL SIMULATION | RAINFALL SIMULATOR | RAINFED ENVIRONMENT | RAINFOREST | RANDOM MATING | RANGELAND SOILS | RANGELANDS | RAPD | RAPD MARKERS | RAPESEED | RAPESEED CULTIVARS | RAPID BLIGHT | RAPID SOIL SAMPLING | RARE EARTH ELEMENTS | RATE CONSTANTS | RATE OF SOIL FORMATION | RATINGS | RATION BALANCING | RATOON CROP | RDNA | RDNA SEQUENCE POLYMORPHISMS | REACTIVE BARRIER | REACTIVE TRANSPORT | REALISTIC YIELD EXPECTATIONS | REAL-TIME, IN-SITU SOIL SENSORS | REAL-TIME CROP CANOPY SENSORS | REAL-TIME N MANAGEMENT | RECALCITRANT CONTAMINANT | RECEPTACLE MOISTURE LOSS | RECHARGE/DISCHARGE | RECIPROCAL RECURRENT SELECTION | RECIPROCAL TRANSPLANT | RECLAIMED SOILS | RECLAIMED TIDAL LAND | RECLAMATION | RECOMBINANT CHROMOSOME 1AL.1RSA+V | RECOMBINANT INBRED LINES | RECOMBINANT INBRED POPULATION | RECOMBINATION | RECOMPILATION | RECONVERSION | RECOVERY RATES | RECRUITMENT | RECURRENT PHENOTYPIC SELECTION | RECURRENT SELECTION | RECYCLED FOUNDRY SAND | RECYCLED SOIL MANUFACTURING TECHNOLOGY | RED ALDER | RED CLOVER | RED WOOD ANTS (FORMICA RUFA GROUP) | RED-COCKADED WOODPECKER | REDOX | REDOX POTENTIAL | REDOX PROCESSES | REDOX ZONATION | REDOXIMORPHIC | REDOXIMORPHIC FEATURES | REDUCED DISTURBANCE | REDUCED INPUTS | REDUCED-IRRIGATION | REDUCED-TILLAGE | REDUCING AGENT | REDUCTION | REDUCTION OF PATHOGENS IN MANURE | REDUNDANCY ANALYSIS | REEDBED | REFERENCE BASE | REFLECTANCE | RE-FORMULATED NITRAPYRIN | REGENERATION | REGION | REGIONAL ESTIMATION OF CARBON STORAGE | REGIONAL HYDROLOGY | REGIONAL SCALE | REGRESSION | REGRESSION TREE | REGULATIONS | REGULATOR | REHABILITATION | REHABILITATION/MITIGATION | RELATIONSHIP | RELAY INTERCROPPING | RELEASE POTENTIAL | RELIC | RELICT HYDRIC SOILS | REMEDIATION | REMEDIATION OF PHYTOTOXICITY | REMOTE SENSING | REMOVAL | RENIFORM NEMATDES | RENOVATION | REPEATED MEASURES | REPETITIVE ELEMENTS | REPETITIVE SEQUENCE | RE-PLANT EVALUATION | REPORTED VS SIMULATED YIELDS | REPORTER BACTERIA | REP-PCR | REPRODUCIBILITY | REPRODUCTIVE ABNORMALITIES | REPRODUCTIVE DEVELOPMENT. | RESEARCH | RESEARCH CENTERS | RESEARCH FARMS | RESEARCH PLOTS | RESEARCH RELEVANCE | RESEARCH STATION MANAGEMENT | RESEARCH STATIONS | RESIDUAL NITRATES | RESIDUAL NITROGEN | RESIDUAL SOIL NITRATE | RESIDUE | RESIDUE BURNING | RESIDUE DECOMPOSITION | RESIDUE MANAGEMENT | RESIDUES | RESIN | RESIN CORE METHOD | RESISANCE GENE SR25 | RESISTANCE | RESISTANCE/TOLERANCE | RESISTANCE TO SOIL PATHOGENS | RESISTANT | RESOURCE EFFICIENCY | RESOURCE MANAGEMENT | RESOURCE POOR FARMERS | RESOURCE-EFFICIENT AGRICULTURE | RESOURCE-RECOVERY WASTE TREATMENT | RESPIRATION | RESPIRATION EFFICIENCY | RESPIRATION RATE | RESPONSE INDEX | RESPONSES | RESTORATION | RESTORATION ECOLOGY | RESTORED PRAIRIE | RESTRICTED MAXIMUM LIKELIHOOD | RESVERATROL | RESVERATROL SYNTHASE | RETARDATION FACTOR | RETARTATION | RETENTION | RETURNS | REUSE | REVEGETATION | REVEGETATION MANAGEMENT | REVIEW | R-FACTOR | RFLP | RGA | RHENIUM | RHEOLOGICAL PROPERTIES | RHEOLOGY | RHIZOBIAL INOCULUM | RHIZOBIUM | RHIZOCTONIA | RHIZOMA PEANUT | RHIZOSPHERE | RHIZOSPHERE BACTERIA | RHIZOSPHERE RESPIRATION | RHM | RICE | RICE (ORYZA SATIVA L.) | RICE AND SOYBEAN | RICE CROPPING SYSTEMS | RICE CULTURE | RICE FERTILIZATION | RICE GERMPLASM | RICE STRAW MANAGEMENT | RICE SUBSPECIES | RICE YIELD | RICE-WHEAT CROPPING SYSTEM | RICE-WHEAT ROTATION | RICE-WHEAT SYSTEMS | RICHARDS' EQUATION | RICHARDS FUNCTION | RICIN DETERMINATION IN SOIL | RICIN IN SOIL | RICIN SORPTION | RIDGE TILLAGE | RIGIDUM | RIPARIAN | RIPARIAN BUFFERS | RIPARIAN FILTERS | RIPARIAN GRAZING | RIPARIAN SOILS | RIPARIAN WETLAND SOILS | RIPARIAN WETLANDS | RIPARIAN ZONE | RIPARIAN ZONE LITHOLOGY | RIPENING | RISK | RISK ASSESSMENT | RISK MANAGEMENT | RISKS | RIVER TERRACE STUDY | RIVER TERRACES | RIVERS | ROCK WALL TERRACES | ROOT AND LITTER DECOMPOSITION | ROOT, STEM AND BRANCH MEASUREMENTS | ROOT BIOMASS | ROOT DENSITY | ROOT DENSITY NUMBERS | ROOT DISTRIBUTION | ROOT ELONGATION | ROOT EXUDATE | ROOT GROWTH | ROOT HERBIVORY AND PARASITISM | ROOT LENGTH DENSITY | ROOT LIFESPAN | ROOT PRODUCTION | ROOT RESPIRATION | ROOT SURFACE AREA | ROOT TO SHOOT RATIO | ROOT WASHER | ROOT WATER UPTAKE | ROOTING | ROOT-KNOT NEMATODES | ROOT-PARASITIC NEMATODE | ROOTS | ROTARY SIEVE | ROTATION | ROTATIONAL CATTLE GRAZING | ROTATIONAL STOCKING | ROTHC MODEL | ROUND BALE SILAGE | ROUNDUP | ROUNDUP READY | ROUNDUP READY SOYBEAN | ROUNDUP RESISTANT CREEPING BENTGRASS | ROUNDUP-READY, WEED CONTROL | ROW CROP PLOTS | ROW CROPS | ROW ORIENTATION | ROW SPACING | ROXARSONE | RT-PCR | RUMINAL N DEGRADATION | RUNOFF | RUNOFF AND DRAINAGE MONITORING | RUNOFF CLASS | RUNOFF EQUATION | RUNOFF LOSS FROM TRANSPLANTED SOD | RUNOFF VOLUME | RURAL/URBAN PARTNERSHIPS | RUSLE | RUSSIA | RUSSIAN SOIL CLASSIFICATION | RUSSIAN WHEAT APHID-RESISTANT | RUSSIAN WILDRYE | RYE | RYEGRASSES | RZWQM |
• S
  | S. ROLFSII | SAFFLOWER | SAGEBRUSH | SAINFOIN | SALICYLIC ACID | SALINE | SALINITY | SALINITY STRESS | SALINITY TOLERANCE | SALMONELLA | SALT TOLERANCE | SALT TOLERANT BREEDING | SAMPLE FREQUENCY | SAMPLING | SAMPLING METHODS | SAMPLING PROTOCOLS | SAMPLING STRATEGIES | SAN JOAQUIN VALLEY | SAND BLUESTEM | SAND ROOTZONE | SAND TERRACE | SAND-BASE | SAND-BASED GROWING MEDIUM | SANDY CALCAREOUS SOIL | SANDY SOILS | SAP FLOW | SAPPONINS | SAPROLITE | SAS ANALYSES | SATELLITE | SATURATED FLOW | SATURATED HYDRAULIC CONDUCTIVITY | SATURATED WATER CONDUCTIVITY | SATURATION MAP | SAVANNA | SAXS | SCAB | SCALE | SCALING | SCALING DATA | SCALING EFFECTS | SCALING FROM PLOT-TO-LANDSCAPE | SCALING UP | SCALING UP | SCANNING ELECTRON MICROSCOPE | SCANNING ELECTRON MICROSCOPY | SCANNING LASER ALTIMETRY | SCAPTERISCUS BORELLII | SCAPTERISCUS VICINUS | SCIENCE EDUCATION | SCIENCE KITS | SCIENTIFICALLY SOUND LEGISLATION | SCIENTIST INVOLVEMENT | SCIENTISTS MAKING PUBLIC POLICY | SCLEROTINIA | SCLEROTINIA MINOR | SCLEROTINIA STEM ROT | SCREENING | SDS-PAGE | SEA LEVEL RISE | SEA OATS | SEASHORE PASPALUM | SEASONAL | SEASONAL NUTRIENT UPTAKE | SEASONAL VARIABILITY | SEASONAL VARIATION | SEASONAL WATER USE | SEAWEED EXTRACT | SEC-1 LOCUS AND SSR MARKERS | SECALE CEREALE L. | SECOND MESSENGERS | SECONDARY INSECTS | SECONDARY METABOLITES | SECONDARY PRODUCT RECOVERY | SECONDARY SILICA | SEDIMENT | SEDIMENT CHARACTERIZATION | SEDIMENT CONCENTRATION | SEDIMENT LOSSES | SEDIMENT MOVEMENT | SEDIMENT OXYGEN DEMAND | SEDIMENT RELEASE | SEDIMENTATION | SEDIMENTS | SEED | SEED COMPOSITION | SEED DEVELOPMENT | SEED DISEASE | SEED ENRICHMENT | SEED FILLING | SEED HEALTH | SEED IMBIBITION | SEED LONGEVITY | SEED LOT | SEED METERING SYSTEMS | SEED NUMBER | SEED PRIMING | SEED PRODUCTION | SEED PROTEIN | SEED QUALITY | SEED SIZE | SEED STORAGE PROTEIN | SEED TESTING | SEED TREATMENT | SEED VIGOR | SEED VIGOUR | SEED WEIGHT | SEED YIELD, YIELD COMPONENTS | SEEDCORN MAGGOT | SEEDED | SEEDED BERMUDAGRASS | SEEDED WARM-SEASON GRASSSES | SEEDING DEPTH | SEEDING RATE | SEEDING RATE AND DEPTH | SEEDING RATES | SEEDLING EMERGENCE | SEEDLING MASS | SEEDLING VIGOR | SEEDLINGS | SEEDS | SEED-SOIL CONTACT | SEEPAGE | SEEPAGE LOSSES | SEEPAGE SUBIRRIGATION | SELECTABLE MARKER | SELECTION | SELECTION AND BREEDING | SELECTION METHODOLOGY | SELECTION PROTOCOLS | SELECTIVE EXTRACTION | SELECTIVE HERBIVORY | SELENIUM | SELENIUM ADSORPTION ON MINERAL SURFACES | SELENIUM DETERMINATION WITH HGAAS | SELENIUM EXTRACTION IN SOIL SEDIMENTS | SELENIUM SPECIATION | SELF-CALIBRATION | SEM | SEMI-ARID | SEMI-ARID AREAS | SEMIARID ARGENTINA | SEMI-ARID ENVIRONMENTS | SEMIARID MOROCCO | SEMIARID PRAIRIE | SEMIARID SOILS | SEMI-ARID TROPICAL AGRICULTURE | SEMIDWARF | SENSITIVITY | SENSITIVITY ANALYSIS | SENSOR BASED | SEPTIC SYSTEM FAILURE | SEPTIC SYSTEMS | SEPTORIA LEAF BLOTCH | SEQUENTIAL EXTRACTION | SEQUENTIAL INDICATOR SIMULATION | SEQUESTERING AGENT | SEQUESTRATION | SEQUOIA SEMPERVIRENS | SERGEI WINOGRADSKY | SERPENTINE | SESAME | SESAME(SESAMUM INDICUM L.) | SESAMIN | SESAMOLIN | SESAMUM INDICUM | SESBANIA DRUMMONDII | SEWAGE SLUDGE | SHADE | SHADE TOLERANCE | SHALLOW LAKES | SHARED RESOURCE | SHATTER RESISTANCE | SHEAR FAILURE | SHEEP | SHEEP FESCUE | SHINUS | SHOCHASTICS | SHOOTING RANGE | SHORT-TERM CHANGES | SHRUB BUFFERS | SHRUB-STEPPE ECOSYSTEMS | SICKLEPOD | SIDEWALL | SIGNALLING | SILAGE | SILAGE CEREALS | SILAGE HARVEST | SILAGE MOISTURE | SILAGE QUALITY | SILICA | SILICA ACCUMULATION | SILICA BIOGEOCHEMISTRY | SILICA SAND | SILICON | SILK EMERGENCE | SILT- AND CLAY-ASSOCIATED C AND N | SILT LOAM SOILS | SILVICULTURE | SILVO-PASTORAL SYSTEM | SILVOPASTORAL SYSTEM COMPONENT | SILVOPASTURE | SIMAZINE | SIMPLE SEQUENCE REPEATS | SIMPLIFIED IN-VITRO PROCEDURE | SIMS | SIMULATED RAINFALL | SIMULATION | SIMULATION MODELING | SIMULATION MODELS | SINGLE CROSS | SIR ALBERT HOWARD | SITE ASSESSMENT | SITE QUALITY | SITE REMEDIATION TYPES | SITE SPECIFIC MANAGEMENT | SITE SPECIFIC NUTRIENT MANAGEMENT | SITE VARIABLE | SITE-DIRECTED MUTAGENESIS | SITE-INDEX | SITE-SPECIFIC | SITE-SPECIFIC AGRICULTURE | SITE-SPECIFIC CROP MANAGEMENT | SITE-SPECIFIC FERTILIZER RESPONSE | SITE-SPECIFIC MANAGEMENT | SITE-SPECIFIC NUTRIENT MANAGEMENT | SITE-SPECIFIC SYSTEMS | SITE-SPECIFIC WEED MANAGEMENT | SITE-SPECIFIC-FARMING | SIV | SIZE FRACTIONATIONQ | SKINNED INFIELD | SLAG PILE | SLOPING UPLAND | SLOW RUSTING | SMALL ACREAGE | SMALL FARMERS | SMALL FARMS | SMALL GRAINS | SMALL HOLDER FARMERS | SMALL PLOT SPRAYER | SMECTITES | SMELTER CONTAMINATED SOILS | SNOWMELT |

• Localizing The Species Cytoplasm Specific Gene by Radiation Hybrid Mapping in Wheat.
  

RADIATION USE EFFICIENCY - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Effect of drought stress on leaf and whole canopy radiation use efficiency and yield of maize.
  

RADIOCARBON - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Isotopic Tracers of Microbial Processes in Methane Cycling.
  
• Soil Carbon Storage at Howland Forest, ME.
  
• Fine root lifetimes in five forests measured with radiocarbon.
  

RADIOCARBON DATING - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Carbon Composition of Soil Humic, Fulvic and Humin Fractions.
  

RADON AND RADIUM - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Radon Transport in Soil and Vegetation II. Biohydrogeologic Model
  

RAIN FOREST - Back to R - Sn or Back to All Keywords or Back to the Main Index

• The Main Agro-Ecological Zones and Associated Benchmark Soils of Ghana.
  

RAINFALL - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Bermudagrass Forage Yields as Affected by Nitrogen Fertilizer and Rainfall Time. A Southern Oklahoma Summary.
  
• Seasonal Fluctuations in Phosphorus Loss by Leaching from a Grassland Soil.
  

RAINFALL INTENSITY - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Using RIST to Convert Rainfall Records into Erosion Model Inputs.
  

RAINFALL SIMULATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Using Simulated Rainfall Techniques to Estimate Dry Matter Losses and Changes in Nutritive Value for Wilting Orchardgrass Forages.
  
• Effect of Feeding Phytase and HAP Corn on the Potential for Phosphorus Losses in Surface Runoff from Virgina Soils Amended with Turkey Manure.
  
• Predicting Phosphorus Loss from Surface Applied Poultry Manure.
  

RAINFALL SIMULATOR - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Phosphorus Runoff from Calcareous Soils.
  
• Runoff and Soil Test Phosphorus from Crop Fields in Vermont.
  
• Runoff Loss of Manure P and N from Transplanted Turfgrass Sod.
  

RAINFED ENVIRONMENT - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Will Higher Yields Be Effective in Reducing Poverty?
  

RAINFOREST - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Wood Litter, Soil Macrofauna and Nutrients - a Field Experiment on Mulch-based Fire-free Cropping Systems in Central Amazonia.
  
• Zero Tillage (No-Till) systems as a pathway to mitigation of deforestation in the Brazilian Amazon.
  

RANDOM MATING - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Maternal, Cytoplasmic and Paternal effects on Sorghum Grain Yield and Yield Components.
  

RANGELAND SOILS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Glomalin in Soil Organic Matter as a function of soil properties.
  

RANGELANDS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Interseeding Falcata Alfalfa (Medicago sativa ssp. falcata) into Native Rangelands: II. Effects on Forage Production and Carbon Inputs.
  

RAPD - Back to R - Sn or Back to All Keywords or Back to the Main Index

• The Identification of Duplicate Accessions Within a Grass Germplasm Collection Using RAPD Analysis.
  
• High Level of Genetic Diversity Detected in Cowpea, Sorghum and Spruce Accessions using ISSR and RAPD Markers.
  
• RAPD Analysis of Annual Bluegrass Biotypes.
  
• Cytogenetic studies on the Interspecific Hybrid in Genus Arachis hypogaea L.
  

RAPD MARKERS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• QTL Discovery Using Divergent Selection.
  

RAPESEED - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Variability in Vernalization Requirement of Oilseed Rape.
  

RAPESEED CULTIVARS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• New Cultural Practices for Improved Rapeseed Cultivars in Pakistan.
  

RAPID BLIGHT - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Rapid Blight: a new disease of cool season turfgrasses.
  

RAPID SOIL SAMPLING - Back to R - Sn or Back to All Keywords or Back to the Main Index

• A Hydraulic Soil Coring System For Soil Carbon-Root Studies.
  

RARE EARTH ELEMENTS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Rare Earth Element Migration in a Wisconsin Spodosol.
  
• Using Rare Earth Element Tracers in a Watershed Soil Erosion Study.
  

RATE CONSTANTS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Nitrogen Transformations in Soils in the Presence of Trace Elements.
  

RATE OF SOIL FORMATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Rock-eating Mycorrhizal Fungi: where, why, how and how fast?
  

RATINGS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Quantifying Turfgrass Parameters Using Digital Image Analysis.
  

RATION BALANCING - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Role of Ration Balancing in Dairy Farm Nutrient Management: Case Studies.
  

RATOON CROP - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Rice Ratoon Yield Enhancement with Plant Growth Regulators.
  

RDNA - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Genetic Diversity and Taxon-Specific Primers of Arbuscular Mycorrhizal Fungi Associated with Florida Sea Oats.
  

RDNA SEQUENCE POLYMORPHISMS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Phylogeny of Selected Medicago Species Based on rDNA Internal and External Transcribed Spacer Regions and 26S.
  

REACTIVE BARRIER - Back to R - Sn or Back to All Keywords or Back to the Main Index

• The Impact of Electron Donor Type on Denitrifying Microbial Community Structure.
  

REACTIVE TRANSPORT - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Reactive transport in Hanford sediments under hyperalkaline conditions.
  

REALISTIC YIELD EXPECTATIONS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Evalution of the Realistic Yield Expectations of Soil Map Units in the North Carolina Coastal Plain.
  

REAL-TIME CROP CANOPY SENSORS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Calibrating Crop Canopy Sensors for Variable-Rate Appplications.
  

REAL-TIME N MANAGEMENT - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Response of a Tropical Rice Hybrid and an Inbred Variety to Controlled Release and Conventional Prilled Urea in Nueva Ecija, Philippines.
  

REAL-TIME, IN-SITU SOIL SENSORS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Underground Truthing? - Seeing is Believing.
  

RECALCITRANT CONTAMINANT - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Phytoremediation of land contaminated by recalcitrant contaminants using Eastern gamagrass and Annual ryegrass.
  

RECEPTACLE MOISTURE LOSS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Desiccation Influence on Sunflower Plant Drydown.
  

RECHARGE/DISCHARGE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Soils and Hydrology Along a Wet Meadow Hydrosequence in Western Massachusetts.
  

RECIPROCAL RECURRENT SELECTION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Microsatellites to Detect Effects of Reciprocal Recurrent Selection in Maize Populations.
  

RECIPROCAL TRANSPLANT - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Nitrogen Mineralization Measurements on Reciprocally Transplanted Soil Cores One Year After Transplant.
  

RECLAIMED SOILS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Influence of Variable Topsoil Replacement Depths on Soil and Plant Characteristics at a Coal Mine in Northeastern Wyoming.
  

RECLAIMED TIDAL LAND - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Turfgrass Revegetation at the New International Airport Construction Site on Reclaimed Land.
  

RECLAMATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Forage Species' Persistance on a Reclaimed Mine Soil Treated with Biosolids.
  
• Wyoming Reclamation Ecology Center: A New Research, Education and Outreach Initiative.
  
• Reclamation and Revegetation of the Abandoned Coal Mine Land Using Soda Ash Production By-product.
  
• Creating Sustainable Agroecosystems on Replaced Mining Overburden in Nikopol, Ukraine.
  

RECOMBINANT CHROMOSOME 1AL.1RSA+V - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Linkage Mapping of Powdery Mildew and Greenbug Resistance Genes on Recombinant 1RS from 'Amigo' and 'Kavkaz' Wheat-Rye Translocations of Chromosome 1RS.1AL.
  

RECOMBINANT INBRED LINES - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Cross-performance of Subtropical Maize Recombinant Inbred Lines Derived from Segregating Populations.
  
• Permanent mapping population of the cotton genome.
  

RECOMBINANT INBRED POPULATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Subspecies Specific Microsatellite Markers in Recombinant Inbred Populations of Rice Crosses.
  

RECOMBINATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• A Comparison of Recombination Rates Between Adapted Soybean Cultivars, and Random Lines.
  
• Chromosome Engineering by Homoeologous Recombination.
  
• The Potential of Lolium x Festuca Hybrids for Turf Use.
  

RECOMPILATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Digital Recompilation of Non-Orthophotographic Based Soil Surveys to SSURGO Standard.
  

RECONVERSION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Reconversion of Scots pine monocultures into deciduous tree stands: Effects on soil chemical properties, ground vegetation, and earthworm populations.
  

RECOVERY RATES - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Within Vehicle Track Vegetation Recovery Rates As A Function Of Level Of Disturbance.
  

RECRUITMENT - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Refocussing Undergraduate Courses And Programs.
  
• Capturing Opportunities for the Future.
  

RECURRENT PHENOTYPIC SELECTION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Selecting Forage Tall Fescue under Competitive and Non-Competitive Conditions.
  

RECURRENT SELECTION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Diallel Analysis of Yield Stability in Twelve Maize Breeding Populations.
  

RECYCLED FOUNDRY SAND - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Use of Recycled Foundry Sand and other Amendments in Sports Turf Root Zones.
  

RECYCLED SOIL MANUFACTURING TECHNOLOGY - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Phyto-Engineering of Abandoned Acid Mine Drainage.
  
• Phyto-Engineering Applications to Brownfield Redevelopment.
  

RED ALDER - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Alder Alters Soil Microbial Function: A Keystone Species?
  

RED CLOVER - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Agronomic Evaluation of Leaf-Mark Morphs in Red Clover.
  
• Nitrogen Mineralization Rates when Legume Green Manures are Amended with Composted Swine Manure.
  
• Diploid-tetraploid comparisons in red clover: Seed weight effects on seedling growth.
  

RED WOOD ANTS (FORMICA RUFA GROUP) - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Importance of red wood ants (Formica rufa group) in European forest soils.
  

RED-COCKADED WOODPECKER - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Calcium Cycling in Relation to Prescribed Fire on Oligotrophic Sites in North Florida.
  

REDOX - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Changes in Availability of Zn in Several Soils With Redox Variation Resulting From Flooding.
  
• Influence of Redox Status on the Natural Attenuation of Contaminants Emanating from a Coal Pile.
  

REDOX POTENTIAL - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Evaluation of platinum electrode measurements in wetland soils.
  
• Evaluation of a Methodology for Multiple, Continuous Measurements of Soil Redox Potential in Soils and Sludges.
  
• Effect of Hydrological Gradient on Greenhouse Gas Productions in a Gulf Coast Forest.
  

REDOX PROCESSES - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Visual Indicators for Hydric Soils.
  

REDOX ZONATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Chromium Redox Transformations in Diffusion-Limited Domains: Linking Micro- and Macro-scale Processes.
  
• Biotransformations of Fe-containing Minerals in Petroleum-Contaminated Shallow Aquifer Sediments.
  

REDOXIMORPHIC - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Salts as an indicator of hydric conditions in Las Vegas Wash, Nevada.
  
• Soils with Relic Redoximorphic Features in the Eastern Lowlands of Arkansas.
  
• Hydromorphology of Anomalous Bright Loamy Soils (ABLS) of the Mid Atlantic Coastal Plain.
  

REDOXIMORPHIC FEATURES - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Soils and Hydrology Along a Wet Meadow Hydrosequence in Western Massachusetts.
  
• Relationships between Redoximorphic Features and Water Table Depth and Duration.
  
• Soil Characteristics as Indicators of Seasonal Saturation in Middle Tennessee Depressions and Flats.
  

REDUCED DISTURBANCE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Conservation tillage processing tomato and cotton production in California's San Joaquin Valley.
  

REDUCED INPUTS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Soil Quality, Profitability and Risk of Conventional and Organic Cropping Systems.
  

REDUCED-IRRIGATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Comparative Performance of Bread Wheat Cultivars under normal and Reduced Irrigations in Sudan.
  

REDUCED-TILLAGE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Use of Starter Fertilizer for Reduced-Tillage Grain Sorghum Production.
  

REDUCING AGENT - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Kinetics of Pyrite Oxidation in the presence of Reducing Agents.
  

REDUCTION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Rate and Mechanism of Cr(VI) Reduction on Magnetite.
  

REDUCTION OF PATHOGENS IN MANURE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Development of a Total Manure Treatment System Alternative to Lagoon-Sprayfield Technology in North Carolina.
  

REDUNDANCY ANALYSIS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Landscape Influences on Denitrifier Populations and Their Activity Under Wet and Dry Conditions.
  

REEDBED - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Progress in Reedbed Technology Research in Oman.
  

REFERENCE BASE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• World Reference Base for Soils: Is it only for Europe?
  

REFLECTANCE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Measurement and simulation of evaporation coefficients with multi-spectral and multi-temporal reflectance.
  
• Wheat Stress and Reflectance.
  
• Frost-induced changes in spectral characteristics of of grain sorghum.
  
• Use of Multispectral Radiometry in Turfgrass Research.
  

RE-FORMULATED NITRAPYRIN - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Effect of Reformulated Nitrapyrin upon Corn Grain Yields in Iowa.
  

REGENERATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Optimizing regeneration conditions for Vicia faba germplasm.
  
• Seed sampling techniques and diversity maintenance in outcrossing grass species.
  
• Simplified germination of perennial Cicer species.
  
• Development of Regeneration and Gene Transformation System for Sesamum indicum L.?
  
• Changes in Soil Moisture and Nutrient Availability Following Alternative Silvicultural Systems in the Southern Appalachians.
  

REGION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• A Survey of Turfgrass Extension in the West.
  

REGIONAL ESTIMATION OF CARBON STORAGE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Regional Estimation of Carbon Immobilization in Surface Soils.
  

REGIONAL HYDROLOGY - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Impact of Anticipated Land Use Changes on Landscape Functions in German States.
  

REGIONAL SCALE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Biodiversity in Pasture Ecosystems: Integrating Spatial and Temporal Scales.
  

REGRESSION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Phenotypic Associations of Fiber Quality, Loan Value and Lint Yield between Commercial Cultivars, Segregating Lines and Mutant Lines of Upland Cotton.
  

REGRESSION TREE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Effect of Soil Aggregate Size Distribution on Water Retention.
  

REGULATIONS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• The Use of Phytoremediation within the Regulatory Framework of Environmental Cleanups.
  
• Implementing U.S. EPA's CAFO and TMDL Regulations.
  
• A European Perspective of Compost and Composting: Driven by Science or by the Heart?.
  

REGULATOR - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Phytoremediation: Some Unique Challenges in Obtaining Regulatory Approval.
  

REHABILITATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Environmental Research and Demonstration at Camp Atterbury, Indiana.
  

REHABILITATION/MITIGATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Another Burning Question: Is Erosion After Fires Bad?
  

RELATIONSHIP - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Critical Concentrations of Trifoliate Leaf K for Conservation-Till Soybean.
  

RELAY INTERCROPPING - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Polymer seed coatings and performance of relay intercropped soybeans in indiana.
  

RELEASE POTENTIAL - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Comparison of Phosphorus and Heavy Metal Pools in Ditch Bottom Sediments and Source Soils.
  

RELIC - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Soils with Relic Redoximorphic Features in the Eastern Lowlands of Arkansas.
  

RELICT HYDRIC SOILS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Altered Hydric Soils.
  

REMEDIATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Remediation of Heavy Metal Contaminated Paddy Soils Using Zero Valent Iron and Compost..
  
• Phytoremediation: Moving from Research to Application.
  
• Inorganic Contaminant Interactions with Soil Minerals and Its Characterization.
  
• Laboratory Assessment of Soil Flushing of Nonaqueous Phase Liquids with Ethyl Lactate and Limonene Solutions.
  
• Application and Limitations of In Vitro Gastrointestinal Methods for Estimating Bioavailable Cd, Pb, and As in Contaminated Soil.
  
• Oxyanion Immobilization in Soil by Reactions with Zero-Valent Iron Corrosion Products.
  
• Phyto-Engineering to Remediate PAH and PCB Contaminated Dredged Material.
  
• Phytoremediation from research to commercialization: pros and cons.
  
• Sorption of Lead on a High Affinity Oxide: Macroscopic and Microscopic Studies.
  
• Modeling of Surfactant Enhanced Remediation of DNAPL Contaminated Soils.
  

REMEDIATION OF PHYTOTOXICITY - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Using Composts, Biosolids and By-Products to Remediate Metal Toxic Soils.
  

REMOTE SENSING - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Sparse Data and Spatial Reality, the Vision of Remote Sensing for Directed Sampling.
  
• Differences in Soil Temperature and Soil Moisture in Conventionally and No-tilled Field Corn with Applications of Remote Sensing.
  
• The use of remotely sensed images for small plot research.
  
• Vegetative Assessment of Phosphorus and Nitrogen Status in Corn using Remote Sensing.
  
• Community-Based Watershed Management: The Semi-Arid Land Surface Atmosphere Project (SALSA).
  
• Combining Remotely-Sensed Crop Coefficients with the FAO-56 Irrigation Scheduling Procedures.
  
• Detecting Weed Infestations in Soybeans Using Remote Sensing Technologies.
  
• Frost-induced changes in spectral characteristics of of grain sorghum.
  
• Calibrating Crop Canopy Sensors for Variable-Rate Appplications.
  
• Use of a Crop Canopy Reflectance Sensor To Assess Corn Leaf Chlorophyll Content.
  
• Using IKONOS Imagery to Predict Soil Properties in Two Physiographic Regions of Alabama.
  
• Remote Sensing of Available Phosphorus in Corn.
  
• Managing Protein in Spring Wheat with Aerial and Satellite Imagery.
  
• Spatial Variability of Herbicide Sorption in a Loessial Soil Under Cotton-Corn Rotation.
  
• Remote Sensing and Nitrogen Optimization for Site-Specific Management of Soft Red Winter Wheat.
  
• Discrimination of Cropland Weed Anomalies Using Spatial Techniques.
  
• NASA Mission To Planet Earth Products for Military Land Monitoring and Management.
  
• Field Scale Soil C and Texture Mapping:Point Soil Data Co-Kriged with Bare Soil Imagery.
  
• Quantification of Total Soil and Plant Tissue P and N Using Forage Crops and Remote Sensing Under Poultry-Littered Field Conditions.
  
• Prediction of Double-Crop Soybean Leaf Area Index and Yield Variability Utilizing the Normalized Vegetation Index.
  
• Integrated Assessment of the Utility of Soil, Crop and Remote Sensing Data for Precision Management of Maize.
  
• Determining Seasonal Patterns of Nutrient Concentrations in the Wheeler Lake Watershed Using Remote Sensing and Geographical Information System Technology.
  
• Soil Classification Using Hyperspectral Remote Sensing Data: Application for Natural Resource Management.
  
• Measurement and simulation of evaporation coefficients with multi-spectral and multi-temporal reflectance.
  
• Remote Sensing of Barley Yellow Dwarf Virus and Wheat Streak Mosaic in Field-Grown Winter Wheat.
  
• Wheat Stress and Reflectance.
  

REMOVAL - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Removal of Bacteriophage from Aqueous Systems by An Anionic Clay.
  

RENIFORM NEMATDES - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Impact of K Fertilization on Reniform Nematode Populations in Cotton.
  

RENOVATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Strategic Renovation at the Purdue Agronomy Research Center.
  

REPEATED MEASURES - Back to R - Sn or Back to All Keywords or Back to the Main Index

• On the Analysis of Repeated Measures Experiments using SAS-GLM and SAS-MIXED.
  
• Rethinking the Analysis of Repeated Measures Data from Field Experiments.
  

REPETITIVE ELEMENTS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Chromosomal Distribution of Maize Repetitive Sequences.
  

REPETITIVE SEQUENCE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Variation in the Abundance of TaiI-1 Repetitive Sequence in Four Psathyrostachys Species.
  

RE-PLANT EVALUATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• An Evaluation of Supplemental Planting to Increase Marginal Stands of Narrow Row Soybean Using a 30 Inch Planter.
  

REPORTED VS SIMULATED YIELDS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Validation of the CroPMan Model for Missouri Field Crops.
  

REPORTER BACTERIA - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Fluorescent probes and markers to identify and localize bacterial populations and activities in soil microhabitats.
  

REP-PCR - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Differentiation of Escherichia coli from Different Animal Sources Using PCR-based Techniques.
  
• A comparison of genetic fingerprints of Escherichia coli isolated from fields after manure application.
  

REPRODUCIBILITY - Back to R - Sn or Back to All Keywords or Back to the Main Index

• How Reproducible are Soil Water Retention Measurements?
  
• Phosphorus Extraction Methods Evaluation from Animal Manure Application Fields.
  

REPRODUCTIVE ABNORMALITIES - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Reproductive Abnormalities in Glyphosate-Resistant Cotton Due to Lower CP4-EPSPS Levels in Male Reproductive Tissue.
  

REPRODUCTIVE DEVELOPMENT. - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Maize Tassel Morphology as an Indicator of Pollen Production.
  

RESEARCH - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Grant Thomas in Latin America - A Fruitful Partnership.
  
• No Sentiment for the Moldboard Plow: Grant Thomas and No-tillage.
  
• Progress in Reedbed Technology Research in Oman.
  
• Two Points Define a Line: Grant Thomas' Philosophy in Teaching, Research, and Extension.
  

RESEARCH CENTERS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• University of Illinois Crop Sciences Research and Education Centers.
  
• Biosecurity and implications for agricultural research facilities and centers at Purdue University.
  

RESEARCH FARMS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Overview of Purdue Agricultural Research Centers.
  
• Transgenic Crop and Research Policy at the Purdue Agricultural Centers.
  

RESEARCH PLOTS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• The decision-making process in the development of plots for new-concept and cutting-edge research on an experimental station.
  

RESEARCH RELEVANCE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Is Public-Funded Agricultural Research Meeting Producers' Needs?
  

RESEARCH STATION MANAGEMENT - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Michigan Agricultural Experiment Station: Integrated System Delivering Research For Your Future.
  

RESEARCH STATIONS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Utilizing Research Station Resources to Facilitate Development of an Agricultural Sciences Magnet School in Rural Nebraska.
  
• Development of a 400 Acre Research Site for Carbon Sequestration Research.
  
• Overview of Purdue Agricultural Research Centers.
  

RESIDUAL NITRATES - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Winter Annual Cereals Effect on Residual Soil Nitrate Levels.
  

RESIDUAL NITROGEN - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Comparison of Winter Cereal Cover Crops for Residual Soil N Recovery and Rice Growth in a Paddy Field.
  

RESIDUAL SOIL NITRATE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Spatial Responses of Corn Growth and N Uptake to Hybrid Selection and N Levels.
  

RESIDUE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Corn Response to Long-term Tillage, Residue and Nitrogen Management.
  
• Canopy and Residue Cover Dynamics in Row Crop-Cover Crop Systems.
  
• Modeling nitrogen transformations during a long-term incubation.
  
• Corn yield and N dynamics as affected by the use of rye as a Winter Cover Crop.
  
• Formation and Extraction of Fumigant Residues in Soil.
  

RESIDUE BURNING - Back to R - Sn or Back to All Keywords or Back to the Main Index

• The influence of wheat straw management on double-cropped soybean germination and development.
  

RESIDUE DECOMPOSITION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Residue Decomposition in Non-Thermal Kentucky Bluegrass Seed Production Systems.
  

RESIDUE MANAGEMENT - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Effects of Tillage and Residue Management on Runoff and Erosion.
  
• Residue management in Ethiopia.
  
• Management of Eroded Soils for Enhancement of Productivity and Environmental Quality.
  
• Residue Management of Kentucky Bluegrass in the High Plains.
  

RESIDUES - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Changes in microbial activity under elevated CO2, as revealed by the decomposition of C13N15 labeled residues.
  

RESIN - Back to R - Sn or Back to All Keywords or Back to the Main Index

• N and P Adsorption and Desorption on Ion Exchange Resins Under Freeze-Thaw or Wet-Dry Conditions.
  

RESIN CORE METHOD - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Use of the Resin Core Method of Measuring N Mineralization in Whole Farm N Budgets.
  

RESISANCE GENE SR25 - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Study on the Expression of Stem Rust Resistance Gene Sr25 in Wheat.
  

RESISTANCE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Effects of Plant Age on the Resistance of Kentucky Bluegrass Cultivars to Black Cutworm.
  
• Single Gene Confers Resistance to Different Strains of Soybean Mosaic Virus in Soybean.
  
• Genetics of resistance in tropical maize to corn leaf aphids.
  
• Reactions of Glycine Species to Diverse Isolates of Bean Pod Mottle Virus.
  
• mRNA abundance and enzyme activity of myo-inositol 1-phosphate synthase in soybean roots inoculated with Fusarium solani f. sp. glycines.
  
• Effect of a Minor Soybean Cyst Nematode Resistance QTL from PI88788.
  
• Field Evaluations for Resistance to S. rolfsii in Peanuts.
  
• Evaluation of Chinese Soybean Accessions for Resistance to Brown Stem Rot.
  
• High throughput marker assisted selection for disease resistance in soybean.
  
• Inheritance of Glyphosate Resistance in Rigidum Ryegrass (Lolium rigidum Gaud.)
  
• Rust Resistance from Missionary Wheats to Fields of Modern Farmers.
  
• Fusarium Head Blight in a Hexaploid Wheat Population Derived from a Line with Type I Resistance.
  
• Dissection of gene clusters within loci underlying resistance to Fusarium solani f. sp. glycines and Heterodera glycine in soybean.
  
• Preliminary results regarding inheritance of resistance to Sclerotinia head rot in Sunflower.
  
• Biology and Management of Soybean Cyst Nematode.
  
• Resistance to Tomato Spotted Wilt Virus in Peanut Germplasm Recently Introduced into the U.S.
  
• Genetics of Powdery Mildew Resistance in Several Wheat Germplasm Lines.
  

RESISTANCE TO SOIL PATHOGENS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Development of High-Yielding Disease-Resistant Common Bean Germplasm Lines.
  

RESISTANCE/TOLERANCE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Response of Imidazolinone Resistant Hard Red Spring Wheat for Agronomic and Quality Characters.
  
• Screening Wheat Germplasm for Crown and Root Rot Diseases under Field Conditions.
  

RESISTANT - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Root-knot Nematode Resistant Cotton Research at Delta Research and Extension Center.
  

RESOURCE EFFICIENCY - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Phosphorous Availability under Continuous Point Source Irrigation.
  

RESOURCE MANAGEMENT - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Development and Use of the Arkansas Agricultural Research and Extension Center GIS.
  

RESOURCE POOR FARMERS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Why Resource Poor Farmers Adopt No-Till in the Rice-Wheat Areas of South Asia.
  

RESOURCE-EFFICIENT AGRICULTURE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Farmer, Educator, and Researcher Motivations in Pursuit of Sustainable Agriculture.
  

RESOURCE-RECOVERY WASTE TREATMENT - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Hydroponic Treatment of Dairy Cow Manure Filtrates.
  

RESPIRATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Lignin Degradation in Grassland, Forest, and Shrub-Steppe Soils.
  
• Stability assessment methods for composts.
  
• Growth, Carbon Metabolism, and Water Use Efficiency of Tall Fescue and Zoysia during Deficit Irrigation.
  

RESPIRATION EFFICIENCY - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Determining the Environmental Factors Controlling Respiration.
  

RESPIRATION RATE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Stability/Maturity Indices For Composted Dairy and Swine Manures.
  

RESPONSE INDEX - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Wheat Grain Yield Response to Fertilizer Nitrogen estimated Using a Spectral Response Index.
  

RESPONSES - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Refining Topdress Nitrogen Applications Using a Response Index.
  
• Growth Responses of Bermudagrass to Different Levels of Nutrients of the Culture Medium.
  

RESTORATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• California Coastal Sage and Scrub Restoration Using Biosolids Compost.
  

RESTORATION ECOLOGY - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Wyoming Reclamation Ecology Center: A New Research, Education and Outreach Initiative.
  

RESTORED PRAIRIE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Increasing Soil Carbon and Nitrogen Stocks under Restored Tallgrass Prairie: Influence of Soil Type.
  

RESTRICTED MAXIMUM LIKELIHOOD - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Mixed-Model Analysis of Genotype-Environment Interactions.
  

RESVERATROL - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Resveratrol Accumulation and Resveratrol Synthase Gene Expression in Response to Abiotic Stresses and Hormones in Peanut Plants.
  

RESVERATROL SYNTHASE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Resveratrol Accumulation and Resveratrol Synthase Gene Expression in Response to Abiotic Stresses and Hormones in Peanut Plants.
  

RETARDATION FACTOR - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Effect of Water Content on Nonequilibrium Transport parameters under Saturated Flow.
  

RETARTATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Adsorption Characteristics of Atrazine in a Sandy Loamy Soil.
  

RETENTION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Behavior of Imazaquin and Flazasulfuron in Brazilian soils.
  
• Refocussing Undergraduate Courses And Programs.
  
• Impacting Retention Through an Academic Counseling Program.
  
• Student Recruitment and Retention in Contemporary Agronomic Programs.
  
• Mercury retention in wetlands of the Adirondack Region, New York.
  
• Capturing Opportunities for the Future.
  
• Retention of Iodide and Rhenium by Layered Double Hydroxides.
  

RETURNS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Annual Grain Yield and Net Return Variation Among Three Crop Rotations in the Virginia Coastal Plain.
  

REUSE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Innovative Uses of DRMO Materials for Erosion Control.
  

REVEGETATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Forage Species' Persistance on a Reclaimed Mine Soil Treated with Biosolids.
  
• Revegetation Strategies for a Fly-Ash Disposal Site in a Semi-arid Region.
  
• Revegetation of a Remediated Brine-Contaminated Soil.
  
• Reclamation and Revegetation of the Abandoned Coal Mine Land Using Soda Ash Production By-product.
  
• Topsoil Regeneration Using Processed Municipal Solid Waste Pulp.
  
• Using Composts, Biosolids and By-Products to Remediate Metal Toxic Soils.
  

REVEGETATION MANAGEMENT - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Options for Management of Rangeland Carbon and Nitrogen Content.
  

REVIEW - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Findings of the Review of Missouri Ag Experiment Stations.
  

R-FACTOR - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Temporal Variability of R-factor Values.
  

RFLP - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Dominant Bacterial Populations in EPTC-Enhanced and Unenhanced Soils.
  

RGA - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Resistance genes analogs (RGAs) co-locclize with reistance gene/QTL(s) loci in common bean (Phaseolus vulgaris L.).
  
• Cloning of Resistance Gene Analogs in Wheat.
  

RHENIUM - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Retention of Iodide and Rhenium by Layered Double Hydroxides.
  

RHEOLOGICAL PROPERTIES - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Modeling Bulk Soil Deformation using Rheological Properties and Micro Scale Pore Closure.
  

RHEOLOGY - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Rheological and Adsorption Properties of Sand-Clay Complexes.
  
• Impact of Soil Degradation on Organic Matter and Aggregate Stability.
  

RHIZOBIAL INOCULUM - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Evaluation of North American Isolates of Kura Clover-Nodulating Rhizobia.
  

RHIZOBIUM - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Endophytic Rhizobia in Cereal and Oilseed Crops.
  
• Yield Response of Valencia Peanut with different row orientations, Nitrogen Rates and Rhizobium Inoculum.
  

RHIZOCTONIA - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Inheritance of brown patch resistance in tall fescue.
  
• Use of composts to increase soil or substrate suppressiveness to diseases.
  

RHIZOMA PEANUT - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Carbon Dioxide and Temperature Effects on Chemical Composition of Rhizoma Peanut Herbage.
  

RHIZOSPHERE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Microbial Community Structure and the Rhizosphere Effect.
  
• Analysis of Microbial Rhizosphere and Phyllosphere Populations from Different Growth Environments as Determined by DGGE.
  
• Tree Species Influences on Belowground Carbon Flux: Assessing the Rhizosphere Effect in Forest Trees.
  
• Defining Cottonwood Uptake of Phosphorus using Rhizosphere Solution Phase Measurements.
  
• Soil Organic Amendment and Phosphorus Mineralization in the Rhizosphere.
  
• The Effects of Cover Crops on the Rhizosphere Bacterial Community and Development of the Subsequent Corn Crop.
  
• Microbial Dynamics Associated with Rhizosphere Carbon Flow.
  
• Impact of genetically modified crops on rhizosphere and root interior microbial communities.
  
• Quantification in Rhizosphere and Phyllosphere of E. coli O157:H7 by Plating and Real-Time (TaqMan) PCR.
  
• Influence of petroleum contamination on microbial communities in soil.
  
• Impact of Genetically-Modified Crops and their Management on Plant Nutrient Transformations.
  

RHIZOSPHERE BACTERIA - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Identification of Corn Rhizosphere Bacteria Potentially Important in Crop Growth Under Different Agronomic Treatments.
  
• Characteristics of Take-all Disease Suppressive Rhizobacteria from Different Soils.
  

RHIZOSPHERE RESPIRATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Partitioning Root, Rhizosphere and Non-rhizosphere Respiration during Wheat Growth.
  

RHM - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Assay of a Recessive Gene for Resistance to Southern Leaf Blight in Maize.
  

RICE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Rice Variety Response to Clomazone in Missouri.
  
• Evaluation of New Plant Type Rice in Korea.
  
• Effect of boron fertilization on rice grain yields.
  
• Effect of zinc seed treatments on the early growth of water seeded rice.
  
• Comparison of IR8 from Two Different Sources in Genetic Diversity and Phenotypic Traits.
  
• Comparison of Winter Cereal Cover Crops for Residual Soil N Recovery and Rice Growth in a Paddy Field.
  
• Integrated Crop Management to Enhance Productivity of Rice-Wheat System in Nepal.
  
• Effect of Elevated Temperature on Spikelet Fertility and Harvest Index of Rice Genotypes.
  
• Rice Ratoon Yield Enhancement with Plant Growth Regulators.
  
• Preflood and Midseason Nitrogen Rate Effect on Nitrogen Concentration of Rice Flood Water.
  
• Breaking Yield Barrier in Rice: Exploiting Tropical Japonica and Indica Germplasm.
  
• Carbohydrate Partitioning in Salt-Stressed Rice Grown under Elevated Carbon Dioxide.
  
• Establishing a Core Collection for Comprehensive Evaluation of US Rice Germplasm.
  
• Determining the Timing for Using LAI and NDVI to Estimate Rice Yield.
  
• Comparison of soil-phosphorus tests for rice and differences between Bray-2 and Mehlich-3 soil-P tests.
  
• Temporal Origin of Nitrogen in Rice Grain Determined by a Point-Placement Technique.
  
• Phosphorus Nutrition of Rice as Affected by Time and Rate of Fertilizer Application.
  
• Relationship between Microbial Biomass and Nutrient Uptake by Rice Grown in Paddy Soil with Legume.
  
• Isolation, characterization, and map-based cloning of staygreen gene in rice.
  
• PCR Optimization for Mapping Intraspecific Cross in Rice.
  
• Assesment of Harvest and Post-harvest Yield Losses of Rice.
  

RICE (ORYZA SATIVA L.) - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Quantity-Intensity Relationship for P on Precision-Leveled Alluvial Soils.
  

RICE AND SOYBEAN - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Mehlich-3 Phosphorus Response to Phosphorus Fertilization in a Soybean-Rice Rotation.
  

RICE CROPPING SYSTEMS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Changes in Availability of Zn in Several Soils With Redox Variation Resulting From Flooding.
  

RICE CULTURE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Genesis and Morphology of Soils Associated with Laguna Bocana in Palo Verde National Park, Costa Rica.
  

RICE FERTILIZATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• The Effects of Potassium Fertilizer Rate and Rice Uptake on Soil Potassium Pools During the Season.
  

RICE GERMPLASM - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Genetic Variation in Rice Germplasm Evaluated by Morphological Characters and Microsatellite Loci.
  

RICE STRAW MANAGEMENT - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Invertebrate and Weed Dynamics under Alternative Rice Straw Management Practices.
  

RICE SUBSPECIES - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Subspecies Specific Microsatellite Markers in Recombinant Inbred Populations of Rice Crosses.
  

RICE YIELD - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Physical and Biological Constraints to the Productivity of Rice and Wheat in Nepal.
  
• Straw Management Effects on Yield of California Rice.
  

RICE-WHEAT CROPPING SYSTEM - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Challenging Tradition:Permanent Raised Beds for the Rice-Wheat Cropping System.
  

RICE-WHEAT ROTATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Cultural Practices, Water Relations, and Productivity in the Rice-Wheat System of the Kathmandu Valley.
  

RICE-WHEAT SYSTEMS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Why Resource Poor Farmers Adopt No-Till in the Rice-Wheat Areas of South Asia.
  

RICHARDS' EQUATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Estimating Root-Water-Uptake Using an Inverse Method.
  

RICHARDS FUNCTION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Studies on the Effect of Plant Density on Maize Growth using the Richards Function.
  

RICIN DETERMINATION IN SOIL - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Extraction, Detection and Quantification of Ricin in Agricultural Soils.
  

RICIN IN SOIL - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Extraction, Detection and Quantification of Ricin in Agricultural Soils.
  

RICIN SORPTION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Sorption of castor toxin by soil components and other materials.
  

RIDGE TILLAGE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• West African Farmer Perspectives on Soil Management Practices with Carbon Sequestration Potential.
  

RIGIDUM - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Inheritance of Glyphosate Resistance in Rigidum Ryegrass (Lolium rigidum Gaud.)
  

RIPARIAN - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Water Quality and Hydrologic Functions of Riparian Zones in Coastal Plain Watersheds.
  

RIPARIAN BUFFERS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Denitrification and Dissolved Organic Carbon under a Riparian Buffer.
  
• Temporal Variability Of Agrochemicals In A Riparian Wetland.
  
• An Economically Sustainable Riparian Buffer to Promote Bank Stability and Reduce Phosphorus Loss in the Loess Hills.
  

RIPARIAN FILTERS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Hillslope Hydrology of a Mountain Pasture with an impermeable subsurface horizon.
  

RIPARIAN GRAZING - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Stream bank erosion along different land-use practices with an emphasis on different grazing practices.
  

RIPARIAN SOILS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• A genetic component to ecosystem processes: variation in foliar condensed tannins determine rates of mineralization in a riparian soil.
  

RIPARIAN WETLAND SOILS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Geomorphic Controls of Denitrification in Riparian Wetland Soils: I. Landscape Scale Distribution of Carbon Forms.
  

RIPARIAN WETLANDS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Geomorphic Controls of Denitrification in Riparian Wetland Soils: II. Vertical Patterns of Groundwater Denitrification.
  
• Using Micromorphology to Elucidate the Genesis of Various Soil Carbon Forms in Riparian Wetlands.
  

RIPARIAN ZONE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• The Fate of Nitrogen Fertilizer in a Perennial Ryegrass Seed Field and Adjacent Grass Riparian Zone.
  

RIPARIAN ZONE LITHOLOGY - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Landscape Controls on Nitrate Removal in Stream Riparian Zones.
  

RIPENING - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Cell Surface Properties of Iron Reducing Bacteria: Implications for Oxide Mineral Transformations.
  

RISK - Back to R - Sn or Back to All Keywords or Back to the Main Index

• The Use of Phytoremediation within the Regulatory Framework of Environmental Cleanups.
  

RISK ASSESSMENT - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Survival of Salmonella typhimurium in four soils at different levels of water activity.
  
• Effects of CRW transgenic corn and tefluthrin on the soil microbial community: activity, diversity and abundance.
  
• Ecological Risk Assessment of Gene Flow in Transgenic Crops.
  
• Assessing Limited Growing Season Production Risk to Dryland Cotton Using GOSSYM Crop Growth Simulation.
  
• Evaluation of Plant Morphology, Floral Development and Pollen Longevity of Roundup Ready Creeping Bentgrass.
  
• The Mine Water Leaching Procedure: Evaluating the Environmental Risk of Backfilling Mines with Coal Ash.
  

RISK MANAGEMENT - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Ugandan Farmers' Perceptions of Climate in Farm Management.
  

RISKS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Agronomic Response to Climate Forcast: The emerging Potential to Reduce Dryland Farmers'Risks.
  

RIVER TERRACE STUDY - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Pedogenesis of Soils on Pliocene to Holocene aged terraces of the Alabama River.
  

RIVER TERRACES - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Mineralogy of Soils on Pliocene to Holocene aged Terraces of the Alabama River.
  

RIVERS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Spatial Distribution Of Pesticides In North Carolina Rivers and Lakes.
  

ROCK WALL TERRACES - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Adoption and maintenance of conservation barriers.
  

ROOT AND LITTER DECOMPOSITION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Insect Herbivores Alter Soil Microclimate and Root and Needle Litter Decomposition in a Semi-arid Woodland.
  

ROOT BIOMASS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Root Biomass, Water-Use Efficiency and Performance of Wheat-Rye Translocations in 'Pavon'.
  

ROOT DENSITY - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Spatial Association Between Root Density and Water Flow Paths in Highly Structured Soil.
  

ROOT DENSITY NUMBERS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Frequency and Mowing Height Influence on Root Density Distribution along Texas Highways.
  

ROOT DISTRIBUTION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Modeling Water Uptake Dynamics of Mature Citrus Trees Grown on a Sandy Soil in the Central Florida Ridge Region.
  

ROOT ELONGATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Differential Aluminum Sensitivity Among Plant Species.
  

ROOT EXUDATE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Water and Nutrient Stresses Increase Root Exudation.
  
• Flavonoids in the Extract and Exudate of the Roots of Leguminous Crops.
  

ROOT GROWTH - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Response of Bentgrass Roots to an Organic Plant Growth Stimulant.
  
• Root Length and Root Diameter as a Predictor of Drought Tolerance in Common Bean (Phaseolus vulgaris L.).
  
• Soil Compaction: Principles, Problems and Practical Solutions.
  
• Effects of Elevated CO2 Concentration and Water Stress on Leaf Water Potential, Water Use and Root Growth of Cotton.
  
• Irrigation Method and Placement Effects on Root Growth and Production of Peanut and Sweet Corn.
  
• Effects of Copper Treatment on Root Growth of Horticultural Crops.
  
• Relative Contribution of Roots and Plant Residue to Aggregation and Soil Organic Matter Dynamics.
  

ROOT HERBIVORY AND PARASITISM - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Coping with Herbivores and Pathogens: A Model of Optimal Root Turnover.
  

ROOT LENGTH DENSITY - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Grazing Management Systems to Minimize Phosphorus Losses from Upland Pastures.
  

ROOT LIFESPAN - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Coping with Herbivores and Pathogens: A Model of Optimal Root Turnover.
  

ROOT PRODUCTION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Hybrid Bermudagrasses Differ in their Establishment Rates and Growth Characteristics.
  

ROOT RESPIRATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Partitioning Root, Rhizosphere and Non-rhizosphere Respiration during Wheat Growth.
  

ROOT SURFACE AREA - Back to R - Sn or Back to All Keywords or Back to the Main Index

• A Method to Separate Plant Roots from Soil and Analyze Root Surface Area.
  

ROOT TO SHOOT RATIO - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Effects of Elevated CO2 Concentration and Water Stress on Leaf Water Potential, Water Use and Root Growth of Cotton.
  

ROOT WASHER - Back to R - Sn or Back to All Keywords or Back to the Main Index

• A Method to Separate Plant Roots from Soil and Analyze Root Surface Area.
  

ROOT WATER UPTAKE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Estimating Root-Water-Uptake Using an Inverse Method.
  

ROOT, STEM AND BRANCH MEASUREMENTS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Measuring the Dynamic Flow of Water in the Soil-Plant-Atmosphere Continuum: Case of Young Model Trees.
  

ROOTING - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Mowing Height, Fertility, and Biostimulant Effects on the Root Development of 'TifEagle'.
  
• Rooting Characteristics for Tall Fescue Cultivars Differing in Morphology.
  

ROOT-KNOT NEMATODES - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Maximizing Root-Knot Nematode Populations for Research Utilizing a Minimalist Approach.
  

ROOT-PARASITIC NEMATODE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Root-Parasitic Nematodes Impact Microbial Biomass and Nitrogen Mineralization in Six Soils.
  

ROOTS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Residue compositon and decomposition of shoots and roots among C3 and C4 species.
  
• General and Special Qualities for Roots of CAM Species.
  
• Sampling Soybean Roots: A Comparison of Excavation and Coring Methods.
  
• Soybean Root Growth Under Elevated CO2 Concentration in the Field.
  
• Nitrogen Rate Effects on Root Morphology of Creeping Bentgrass and Annual Bluegrass During Summer Decline and Fall Recovery.
  
• The Role of Efflux in Nutrient Uptake by Intact Tree Roots.
  
• A Hydraulic Soil Coring System For Soil Carbon-Root Studies.
  

ROTARY SIEVE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Concentration of Soil Carbon and Glomalin Affected by Tillage in Eastern South Dakota.
  

ROTATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Annual Grain Yield and Net Return Variation Among Three Crop Rotations in the Virginia Coastal Plain.
  
• Wetland Cropland Rotational Management to Improve Wetland Habitat and Sustain Crop Production in the Tule Lake National Wildlife Refuge, CA.
  
• Effects of Crop Rotation and Tillage on C and N dynamics and Aggregate Stability in Eastern Kansas.
  
• The Impact of Management on the Macronutrient Levels of a Corn-Corn-Soybean-Wheat Rotation.
  
• Wheat Growth Following Amaranth in a Sequential Rotation.
  
• The Economics of Managing Soil Carbon and Nitrogen Pools as Precursors of Soil Quality.
  

ROTATIONAL CATTLE GRAZING - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Water Quality and Range Improvements Following Best Management Practices Implementation.
  

ROTATIONAL STOCKING - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Productivity of Irrigated Pastures under Rotational Stocking in the Intermountain West.
  

ROTHC MODEL - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Calibration and Verification of the RothC Carbon Turnover Model for Australian Agricultural Soils.
  

ROUND BALE SILAGE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Round Bale Silage Quality of Alfalfa, Perennial ryegrass and Alfalfa-Perennial ryegrass Mixtures.
  
• Steer Responses to Alfalfa, Perennial ryegrass, and Mixed Alfalfa-Perennial ryegrass Baled Silage.
  
• Bale Density and Moisture Effect on Alfalfa Round Bale Silage Quality.
  
• Steer Responses to Alfalfa Round Bale Silage at different Moisture Contents.
  

ROUNDUP - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Delayed Roundup Application Affects Maturity and Yield of Bt/RR Cotton.
  

ROUNDUP READY - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Evaluation of Plant Morphology, Floral Development and Pollen Longevity of Roundup Ready Creeping Bentgrass.
  
• GLYPHOSATE OVER-THE-TOP APPLICATION INFLUENCES BOLL DEVELOPMENT OF ROUNDUP READY COTTON.
  

ROUNDUP READY SOYBEAN - Back to R - Sn or Back to All Keywords or Back to the Main Index

• The Effects of Seeding Rate Reductions on the Performance of Roundup-Ready Soybean Cultivars.
  

ROUNDUP RESISTANT CREEPING BENTGRASS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Fairway Renovation with Roundup Resistant Creeping Bentgrass.
  

ROUNDUP-READY, WEED CONTROL - Back to R - Sn or Back to All Keywords or Back to the Main Index

• A Comparison of Roundup-Ready Soybean with Non-Roundup-Ready Varieties: Yield, Yield Components, and Weed Biomass.
  

ROW CROP PLOTS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Comparison of Drip Irrigation Applications for Experiment Station Row Crop Plot Management.
  

ROW CROPS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• A Sod Based Rotation for Peanut and Cotton.
  

ROW ORIENTATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Yield Response of Valencia Peanut with different row orientations, Nitrogen Rates and Rhizobium Inoculum.
  
• Peanut Yield and Grade From Different Row Orientations and Seeding Rates.
  

ROW SPACING - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Economic Comparison of Ultra-Narrow and Conventional Row Spacings for Cotton Production.
  
• New Cultural Practices for Improved Rapeseed Cultivars in Pakistan.
  
• Pearl Millet Row Spacing Recommendations for Nebraska.
  

ROXARSONE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Element Speciation in Poultry Litter Leachates.
  

RT-PCR - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Screening Melon Germplasm for Tolerance to Cucurbit Yellowing Stunting Disorder Virus (CYSDV) Using RT-PCR.
  

RUMINAL N DEGRADATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• In Situ N Degradation Kinetics of Wheat Forages in Confined and Grazing Steers.
  

RUNOFF - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Predicting Sediment and Nutrient Loss Using a Hydrologic Model.
  
• Integrated Agricultural Management Systems - Neosho River Basin Site, Kansas.
  
• Runoff and Sediment Losses from a Paired Field Demonstration in the Coastal Plains.
  
• Near-Surface Moisture Effects on Phosphorus Losses Under Simulated Rainfall.
  
• Runoff and Percolate Losses of Pesticides from Turfgrass.
  
• Effects of Landscape Position, Fertilizer Source and Surface Manipulation on Phosphorus Losses in Runoff.
  
• Spatial Distribution of Soil Erosion and Phosphorus Transport Within an Agricultural Used Watershed.
  
• Diet Impacts on Phosphorus Losses from Manured Soils Under Simulated Rainfall.
  
• Predicting Phosphorus Loss from Surface Applied Poultry Manure.
  
• An Evaluation of Polyacrylamide and Surface Hydrologic Effects on Runoff Water Quality.
  
• Effects of Tillage and Residue Management on Runoff and Erosion.
  
• Using Polyacrylamide with Sprinkler Irrigation to Improve Infiltration.
  
• Predicting Environmental Benefits of Agroforestry Practices in Northern Missouri Using APEX.
  
• Effect of Feeding Phytase and HAP Corn on the Potential for Phosphorus Losses in Surface Runoff from Virgina Soils Amended with Turkey Manure.
  
• PAM for Sequestering Weed Seed in Irrigation Runoff.
  
• A Field-Based Assessment Tool for Phosphorus Losses in Runoff in Kansas.
  
• Leaching and Runoff of Nitrogen and Phosphorus from a Manured Field Crop Experiment.
  
• Colloidal Phosphorus in Runoff from Western US Soils.
  
• Sex Hormones from Poultry Litter--Their Fate and Transport in Runoff and Drainage from Cropped Till- and No-Till Plots.
  
• Phosphorous Best Management Practices in the North Bosque River Basin using APEX Manure Management Component.
  
• Valuing and Paying Farmers for Alternative Yield Levels That Result in Improved Water Quality.
  

RUNOFF AND DRAINAGE MONITORING - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Challenges of an Automated and Integrated Hydrologic Monitoring and Water Quality Sample Collection System for Research in Non-point Source Pollution.
  

RUNOFF CLASS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Evaluating Old and New Methods of Indexing Dissolved Phosphorus Loss in Pennsylvania's Phosphorus Index.
  

RUNOFF EQUATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• An Exploratory Technique to Assess Runoff Phosphorus for Agricultural Watersheds.
  

RUNOFF LOSS FROM TRANSPLANTED SOD - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Runoff Loss of Manure P and N from Transplanted Turfgrass Sod.
  

RUNOFF VOLUME - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Runoff Quality from Bermudagrass Plots Treated with Poultry Litter .
  

RURAL/URBAN PARTNERSHIPS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Building Urban/Rural Partnerships, a Cost Effective Way to Address Water Quality Issues.
  

RUSLE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Soil Erosion Assessment for a Mountainous Ecosystem in the High Atlas Region, Morocco.
  

RUSSIA - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Keys to Successful Graduate Research Abroad: A Maryland-Russia Case Study.
  
• Stable carbon isotopic composition of pedogenic carbonates in the Russian Chernozem under different management regimes.
  

RUSSIAN SOIL CLASSIFICATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• A Soil Taxonomy Map of Russia.
  

RUSSIAN WHEAT APHID-RESISTANT - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Status of Russian Wheat Aphid (RWA) - Resistant Feed Barley for Dryland Western U.S.
  

RUSSIAN WILDRYE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Susceptibility of Russian Wildrye to Acidic Soil / Aluminum Toxicity.
  
• Variation in the Abundance of TaiI-1 Repetitive Sequence in Four Psathyrostachys Species.
  

RYE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Decomposition Patterns of Managed Rye Residue and their Effects on Soil Nutrient Dynamics.
  
• Corn yield and N dynamics as affected by the use of rye as a Winter Cover Crop.
  
• Varietal effects of cereal rye on recovery of soil inorganic nitrogen.
  
• Comparison of Winter Cereal Cover Crops for Residual Soil N Recovery and Rice Growth in a Paddy Field.
  
• Towards Cloning Aluminum Tolerance Gene in Rye.
  
• Use of rye as a catch crop in a corn/soybean rotation: rye nitrogen uptake and soybean yield.
  

RYEGRASSES - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Morphological Variation Within and Between Ryegrass Cultivars and Their Mixtures.
  
• Nutrients Uptake by Ryegrass Cultivars and Crabgrass from a Highly Phosphorus Enriched Soil.
  
• Perennial Ryegrass Reaction to Gray Leaf Spot Inoculation on Detached Leaves Compared with Whole Plants Inoculation in Growth Chamber.
  
• Allelopathy of Perennial Ryegrass Leaves and Roots on Seeded Zoysiagrass.
  
• The Potential of Lolium x Festuca Hybrids for Turf Use.
  
• RFLP Marker based Comparative Linkage Maps of the Lolium and Poaceae Genomes.
  
• Ryegrass Selection for Dairy Operations in Florida.
  
• Ryegrasses--Hyperaccumulator of Phosphates.
  

RZWQM - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Predicting the Effects of Agricultural Management Practices on Subsurface Drainage :Nitrate.
  
• Predicting the Effects of Agricultural Management Practices on Subsurface Drainage:Tile Flow.
  

S. ROLFSII - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Field Evaluations for Resistance to S. rolfsii in Peanuts.
  

SAFFLOWER - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Agronomic performance of Safflower in the Central Semiarid Region of Argentina.
  

SAGEBRUSH - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Response of Soil Carbon Mineralization Rates to Seasonal Moisture Pulses in the Great Basin, Utah.
  

SAINFOIN - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Forage Production of Sainfoin Across an Irrigation Gradient.
  

SALICYLIC ACID - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Resveratrol Accumulation and Resveratrol Synthase Gene Expression in Response to Abiotic Stresses and Hormones in Peanut Plants.
  

SALINE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Reclamation of Owens Lake Soils to Enable Partial Vegetation.
  

SALINITY - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Using salinity gradient irrigation to evaluate the impact of water quality, turf variety and overseeding practices on turfgrass performance.
  
• Use of Biosolids to Establish Turf and Native Plants in Urban Reclamation Projects: Are Salinity and Sodicity a Problem?
  
• Turfgrass Revegetation at the New International Airport Construction Site on Reclaimed Land.
  
• Carbohydrate Partitioning in Salt-Stressed Rice Grown under Elevated Carbon Dioxide.
  
• Soil Properties of Sites Used for Composting Animal Manure.
  
• Salinity Effects on VAM Infection and Alkaline Phsphatase Activity in Wheat.
  
• The influence of Salinity on Bermudagrass Cold Tolerance.
  
• Coalbed Methane Product Water Quality Across the Powder River Basin of Wyoming.
  

SALINITY STRESS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Interactive Effects of Salinity Stress and Primo Growth Regulator on Bluegrass.
  

SALINITY TOLERANCE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Disomic Chromosome Addition Lines of Thinopyrum bessarabicum in Bread Wheat.
  
• Salt Tolerance Bread Wheats: Current Germplasm Status.
  

SALMONELLA - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Survival of Salmonella typhimurium in four soil microcosms as affected by soil type and incubation temperature.
  

SALT TOLERANCE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Somaclonal Variation of Creeping Bentgrass Cultivars under Salinity Stress.
  
• Genetic Variation in Rice Germplasm Evaluated by Morphological Characters and Microsatellite Loci.
  

SALT TOLERANT BREEDING - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Breeding Salt Tolerant Kentucky Bluegrass with Somaclonal Variation.
  

SAMPLE FREQUENCY - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Sample Frequency Effects on Estimates of Nitrate-N Losses from Subsurface Tile Drains.
  

SAMPLING - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Aliasing: Avoiding Misrepresentation of Spatial Patterns.
  
• Population genetics and the conservation of rare plants.
  

SAMPLING METHODS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Sampling Soybean Roots: A Comparison of Excavation and Coring Methods.
  
• Sampling Protocol and Variation of Field Soil Carbon.
  
• Sources of Variation in Forage Quality in Large Bales of Alfalfa Hay.
  

SAMPLING PROTOCOLS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Soil Carbon Accounting for Humods in Forest Landscapes of New England.
  
• The Importance of Experimental Stratification when Measuring Soil Organic Carbon Pools- Implications for Applying Marketable Permits to Ozark Forest Systems.
  

SAMPLING STRATEGIES - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Measuring and Collecting Plant Genetic Diversity.
  

SAN JOAQUIN VALLEY - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Seasonal Ammonia Emissions from Crops in the San Joaquin Valley, California.
  

SAND BLUESTEM - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Effect of Plant Density on Forage Yield of Big and Sand Bluestem.
  

SAND ROOTZONE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Effect of Management Practices on Quality, Stability, and Biomass Accumulations of a Kentucky Bluegrass Carpet Stabilizer System.
  

SAND TERRACE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Mississippi River Sand Terrace Study: The MLRA Concept at Work in the New Era of Production Soil Survey.
  

SAND-BASE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Transition Zone Comparison of a Modular Athletic Field System with a Traditional Sand Based System Turfed with Bermudagrass.
  

SAND-BASED GROWING MEDIUM - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Effect of ozonated and oxygenated water on turf growth and root zone chemistry.
  

SANDY CALCAREOUS SOIL - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Soybean Adaptability to Newly Reclaimed Sandy Calcareous Soil in Egypt as Affected by Bradyrhizobia, Nitrogen and Phosphorous.
  

SANDY SOILS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Rheological and Adsorption Properties of Sand-Clay Complexes.
  
• Soil Amendment to Reduce Phosphorus Leaching in a Sandy Soil.
  
• Influence of Water Regimes on Cranberry Growth and Phytophthora Development in Sandy Soil.
  
• Depth Evaluation of P Loading in Leaching Assessment of Manure-Amended Soils.
  
• Variations in Extractable Boron Using Three Extraction Methods on Sandy and Silt Loam Soils Treated and Incubated with 10 Levels of Boron.
  

SAP FLOW - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Examining Peanut Water Use and Water-use Efficiency Under Different Irrigation Environments.
  

SAPPONINS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Genotype by Environmental Interactions for Isoflavones and Sapponins in Soybean.
  

SAPROLITE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Halloysite Characterization in the Soil-Saprolite Zone of the Alabama Piedmont.
  

SAS ANALYSES - Back to R - Sn or Back to All Keywords or Back to the Main Index

• On the Analysis of Repeated Measures Experiments using SAS-GLM and SAS-MIXED.
  

SATELLITE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Residue Cover Assessment Using Landsat Satellite Imagery.
  

SATURATED FLOW - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Virus Transport through Soil Columns under Saturated and Unsaturated Flow Conditions.
  

SATURATED HYDRAULIC CONDUCTIVITY - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Measurement of Physical Properties of the USGA Sand Mix --- Some Suggestions.
  
• Spatial Variability of Saturated Hydraulic Conductivity Derived From in situ Measurements of Air Permeability.
  
• Use of Soil Survey Information for Determining Soil Hydraulic Properties.
  
• Evolution of Textural Pore Space of Clay-Sand Mixtures Under Variable Water Potential: Experimental Studies on Water Retention and Saturated Flow Behavior.
  

SATURATED WATER CONDUCTIVITY - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Root Mass Relationships with Physical Properties of Sand Root Zones.
  

SATURATION MAP - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Saturation Mapping of a Major Fusarium Head Blight QTL in Tetraploid Wheat.
  

SAVANNA - Back to R - Sn or Back to All Keywords or Back to the Main Index

• The Main Agro-Ecological Zones and Associated Benchmark Soils of Ghana.
  
• Land Use Impacts on Soil Physical and Morphological Properties in Northeastern Illinois.
  

SAXS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• SAXS study of humic acid and surfactant complexes.
  

SCAB - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Influence of Time of Manure Application on Potato Yield, Quality and Scab.
  
• QTL Associated With Scab Resistance in The Soft Red Winter Wheat Ernie.
  

SCALE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Comparing Small Scale Spatial Relationships of Surface Soil Water.
  

SCALING - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Landscape Sensitive Soil Quality Benchmark Sites in Alberta, Canada.
  

SCALING DATA - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Soil Carbon Accounting for Humods in Forest Landscapes of New England.
  

SCALING EFFECTS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Biodiversity in Pasture Ecosystems: Integrating Spatial and Temporal Scales.
  

SCALING FROM PLOT-TO-LANDSCAPE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Spatial Patterns of Soil Properties in a Savanna Parkland Landscape: Soil Organic Carbon and Total Nitrogen.
  

SCALING UP - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Extracting information from variability: Using geostatistics to improve soil carbon estimates.
  

SCALING UP - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Scaling-up Estimates of Greenhouse Gas Sinks and Emissions for Canada.
  

SCANNING ELECTRON MICROSCOPE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• The Effect of Total Carbon on Microscopic Soil Properties and Implications for Crop Production.
  
• Methods of Quantifying Geometry at the Pore Scale in Soils.
  

SCANNING ELECTRON MICROSCOPY - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Use of Scanning Electron Microscopy in Soil Mineralogy.
  

SCANNING LASER ALTIMETRY - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Riverbank Erosion Assessment with Airborne Laser Alitmetry.
  

SCAPTERISCUS BORELLII - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Curfew Soil Fumigant Suppresses Mole Cricket Activity in Bermudagrass Turf.
  

SCAPTERISCUS VICINUS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Curfew Soil Fumigant Suppresses Mole Cricket Activity in Bermudagrass Turf.
  

SCIENCE EDUCATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• GEMS-NET: Integrating Natural Resource Science into a Balanced Science Curriculum in Grades K - 8.
  
• Corn: An Integrated Curriculum; Science Enhancement for K-5 Teachers.
  

SCIENCE KITS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• GEMS-NET: Integrating Natural Resource Science into a Balanced Science Curriculum in Grades K - 8.
  

SCIENTIFICALLY SOUND LEGISLATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Citizen Scientist: Lobbying and the Scientific Community.
  

SCIENTIST INVOLVEMENT - Back to R - Sn or Back to All Keywords or Back to the Main Index

• GEMS-NET: Integrating Natural Resource Science into a Balanced Science Curriculum in Grades K - 8.
  

SCIENTISTS MAKING PUBLIC POLICY - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Citizen Scientist: Lobbying and the Scientific Community.
  

SCLEROTINIA - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Preliminary results regarding inheritance of resistance to Sclerotinia head rot in Sunflower.
  

SCLEROTINIA MINOR - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Genetic Transformation of Peanut with the Gene for Oxalate Oxidase.
  

SCLEROTINIA STEM ROT - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Genetic mapping of partial resistance to Sclerotinia Stem Rot in Soybean.
  

SCREENING - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Screening Wheat Germplasm for Crown and Root Rot Diseases under Field Conditions.
  

SDS-PAGE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Association of High Molecular Weight Glutenin Subunits of Wheat with some Important Quality Traits.
  

SEA LEVEL RISE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Effect of Hydrological Gradient on Greenhouse Gas Productions in a Gulf Coast Forest.
  

SEA OATS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Genetic Diversity and Taxon-Specific Primers of Arbuscular Mycorrhizal Fungi Associated with Florida Sea Oats.
  

SEASHORE PASPALUM - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Seashore Paspalum Tolerance to Herbicides.
  
• Effects of Morning and Afternoon Shade in Combination with Traffic Stress on Seashore Paspalum.
  

SEASONAL - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Seasonal Patterns and Mycorrhizal Status of a Florida Wetland.
  

SEASONAL NUTRIENT UPTAKE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Phosphorus Nutrition of Rice as Affected by Time and Rate of Fertilizer Application.
  

SEASONAL VARIABILITY - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Seasonal Variability in Soil Test Results Using Morgan and Mehlich-III Extractions in New York.
  

SEASONAL VARIATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Seasonal and Cutting Interval Effects on Herbage Mass and Nutritive Value of Brachiaria spp.
  

SEASONAL WATER USE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Simulating water use of irrigated corn on the Texas High Plains.
  

SEAWEED EXTRACT - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Physiological Response of Three Creeping Bentgrass Cultivars to Drought Stress and Natural Plant Growth Regulators.
  

SEC-1 LOCUS AND SSR MARKERS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Linkage Mapping of Powdery Mildew and Greenbug Resistance Genes on Recombinant 1RS from 'Amigo' and 'Kavkaz' Wheat-Rye Translocations of Chromosome 1RS.1AL.
  

SECALE CEREALE L. - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Conservation Tillage and Herbicide Management for Two Peanut Varieties.
  

SECOND MESSENGERS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• The Induction of Heat Stress Tolerance in Creeping Bentgrass through Pre-treatment with Potential Second Messengers.
  

SECONDARY INSECTS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Managing Secondary Soil Insects.
  

SECONDARY METABOLITES - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Secondary Metabolites from Legumes of Potential Use in Combating Cancer.
  

SECONDARY PRODUCT RECOVERY - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Production of High-Value Products From close-seeded Transgenic Tobacco.
  

SECONDARY SILICA - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Secondary Silica in Soils of West Texas.
  

SEDIMENT - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Timber Harvesting Effects on Sediment Accumulation After Sixteen Years.
  
• Controlling Sedimentation of Surface Waters by Polyacrylamide Application.
  
• Should Sediment Samples Be Autoclaved Prior to Algal Assays?
  
• Stabilizing Metal-contaminated Sediments Using Biosolids Compost.
  

SEDIMENT CHARACTERIZATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Temporal and Spatial Variability of Nutrient Fluxes from Sediment in the Lower St. Johns River
  

SEDIMENT CONCENTRATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Flocculation of Clay Suspensions by Natural Ferrihydrite.
  

SEDIMENT LOSSES - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Runoff and Sediment Losses from a Paired Field Demonstration in the Coastal Plains.
  

SEDIMENT MOVEMENT - Back to R - Sn or Back to All Keywords or Back to the Main Index

• A Phenomenological Description of Granular Gravity Flow.
  

SEDIMENT OXYGEN DEMAND - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Temporal and Spatial Variability of Nutrient Fluxes from Sediment in the Lower St. Johns River
  

SEDIMENT RELEASE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Nutrient Response of Sediments in Reelfoot Lake Tennessee after Rehydration.
  

SEDIMENTATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Carbon sequestration in reservoirs: fate of eroded soil organic carbon during transport and burial.
  
• Combined Meal PPO and Sedimentation Test for Hard White Wheat Early-generation Screening.
  

SEDIMENTS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Stimulatory Effect of Ferrous Sulfate Amendments on Polychorinated Biphenyl Anaerobic Dechlorination in Sediments.
  
• Organic Carbon and Iron Oxides as Geochemical Controls of Uranium and Nickel Availability in Contaminated Riparian Sediments.
  

SEED - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Methodology of Soybean Seed Hardness Testing.
  
• Potential for Bentgrass Seed Production in the High Plains.
  
• Effect of Priming and th Plant Growth Regulators Priming Treatment on the Germination in Perilla Seeds.
  
• THE ROLE OF MITOCHONDRIA IN DETERIORATION OF SOYBEAN SEEDS.
  

SEED COMPOSITION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Development of Near-Isogenic Lines of Soybean Varying in Seed Protein and Oil Content.
  
• Assessing the Consistency of Soybean Quantitative Trait Loci for Seed Traits.
  
• Partitioning of sucrose into protein, oil, and starch in soybean cotyledons cultured in planta and in vitro.
  

SEED DEVELOPMENT - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Effect of High Temperatures During Soybean Seed Development on Seed Quality.
  

SEED DISEASE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Seed Health Test Standardization in the International Seed Health Initiatives.
  

SEED ENRICHMENT - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Effect of Micronutrient Nutrition on Disease Incidence in Grain Legumes.
  

SEED FILLING - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Soybean Sink Size and Photosynthesis during Seed Filling.
  

SEED HEALTH - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Seed Health Test Standardization in the International Seed Health Initiatives.
  
• The USA National Seed Health System.
  

SEED IMBIBITION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• A New Perspective on Water Flow from Soil to Seed: The Role of Vapor.
  

SEED LONGEVITY - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Practical Considerations for Genebank Design.
  

SEED LOT - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Statistical Aspects of GMO Detection in Conventional Seed Lots.
  

SEED METERING SYSTEMS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Comparison of Soybean Seed Metering Techniques: Field Trial.
  

SEED NUMBER - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Interaction Between SCN and Herbicide Stress on Soybean Yield Formation.
  

SEED PRIMING - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Effect of Seed Priming and Temperature on Germination of Lettuce Seed.
  

SEED PRODUCTION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Late Fall Dormant Seeding of Ryegrasses for Seed Production.
  
• Utility of Lotus japonicus genotypes: I. Comparison of Flowering and Seed Production.
  
• Residue Management of Kentucky Bluegrass in the High Plains.
  
• Native Warm-season Legumes with Forage Potential in the South-central U.S. Plains.
  
• Maize Tassel Morphology as an Indicator of Pollen Production.
  
• Predicting Pollen Production, Dispersal, and Outcrossing in Maize.
  

SEED PROTEIN - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Genetic differences among sources of high protein in soybean seeds.
  

SEED QUALITY - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Mapping of QTLs for Seed Quality Traits in an Interspecific Soybean Population.
  

SEED SIZE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Effect of Sugarbeet seed size, planting depth, and variety on seedling emergence.
  
• Growth and Development of the Grain Sorghum Embryo.
  
• Breeding for Seed Traits of Wildrice: Heritabilities, Gain From Selection, and Trait Correlations.
  

SEED STORAGE PROTEIN - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Association of High Molecular Weight Glutenin Subunits of Wheat with some Important Quality Traits.
  

SEED TESTING - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Seed Health Test Standardization in the International Seed Health Initiatives.
  
• The USA National Seed Health System.
  
• Tracing Transgenic Seeds Using Fluorescent Marker Proteins and Laser Seed Sorting Technology.
  
• Do our GMO assays answer the questions we are asking and can we afford the answers?
  

SEED TREATMENT - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Coleoptile length in dwarf wheat isolines: Gibberellic acid effects as a seed treatment.
  
• Effect of zinc seed treatments on the early growth of water seeded rice.
  

SEED VIGOR - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Effect of High Temperatures During Soybean Seed Development on Seed Quality.
  

SEED VIGOUR - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Fall Seeding Technology to Sustain Canola and Mustard Production in the Semiarid Prairie.
  

SEED WEIGHT - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Assessing the Consistency of Soybean Quantitative Trait Loci for Seed Traits.
  
• Diploid-tetraploid comparisons in red clover: Seed weight effects on seedling growth.
  

SEED YIELD, YIELD COMPONENTS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• A Comparison of Roundup-Ready Soybean with Non-Roundup-Ready Varieties: Yield, Yield Components, and Weed Biomass.
  

SEEDCORN MAGGOT - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Managing Secondary Soil Insects.
  

SEEDED - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Allelopathy of Perennial Ryegrass Leaves and Roots on Seeded Zoysiagrass.
  

SEEDED BERMUDAGRASS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Tolerance of four seeded bermudagrasses to post-emergence herbicides during establishment.
  
• The influence of Salinity on Bermudagrass Cold Tolerance.
  
• Suitability of Seeded Bermudagrasses for Use on Athletic Fields.
  
• Renovation of perennial rygegrass turf to seeded bermudagrass.
  

SEEDED WARM-SEASON GRASSSES - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Effects of Seeding Date on Bermudagrass and Zoysiagrass Establishment.
  

SEEDING DEPTH - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Agronomic Factors That Affect Hulless Barley Yield and Quality.
  

SEEDING RATE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Agronomic Factors That Affect Hulless Barley Yield and Quality.
  
• Alfalfa Seeding Rate Effects on Forage Quality.
  

SEEDING RATE AND DEPTH - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Agronomic Practices that Enhance Barley Competitiveness will Influence the Weed Economic Threshold.
  

SEEDING RATES - Back to R - Sn or Back to All Keywords or Back to the Main Index

• The Effects of Seeding Rate Reductions on the Performance of Roundup-Ready Soybean Cultivars.
  

SEEDLING EMERGENCE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Effect of Sugarbeet seed size, planting depth, and variety on seedling emergence.
  

SEEDLING MASS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Assessing Seedling Vigor Differences in Endophyte-free Tall Fescue Half-sib Families.
  

SEEDLING VIGOR - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Assessing Seedling Vigor Differences in Endophyte-free Tall Fescue Half-sib Families.
  

SEEDLINGS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Safety of Dithiopyr on Seedling Turf.
  

SEEDS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• The USA National Seed Health System.
  
• Do our GMO assays answer the questions we are asking and can we afford the answers?
  

SEED-SOIL CONTACT - Back to R - Sn or Back to All Keywords or Back to the Main Index

• A New Perspective on Water Flow from Soil to Seed: The Role of Vapor.
  

SEEPAGE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Soil Chemical Properties Beneath Swine and Cattle Waste Lagoons.
  

SEEPAGE LOSSES - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Inhibiting water infiltration with PAM and surfactants: Applications for irrigated agriculture.
  

SEEPAGE SUBIRRIGATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Effect of Water Table Depth and Irrigation Method on Water Use and Fruit Yields for Subirrigated Tomato Production.
  

SELECTABLE MARKER - Back to R - Sn or Back to All Keywords or Back to the Main Index

• A Non-antibiotic Approach to Cotton Transformation Using GFP for Selectable Marker.
  

SELECTION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Dual-purpose and Grain-only Systems of Winter Wheat: Mega-environments in the Same Field?
  

SELECTION AND BREEDING - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Selection for Dehydration Avoidance Mechanisms in Tall Fescue and Perennial Ryegrass.
  

SELECTION METHODOLOGY - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Correlated Selection Responses: Pleiotropy, Linkage, or Drift?.
  

SELECTION PROTOCOLS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Development of High-Yielding Disease-Resistant Common Bean Germplasm Lines.
  

SELECTIVE EXTRACTION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Rare Earth Element Migration in a Wisconsin Spodosol.
  

SELECTIVE HERBIVORY - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Grazing and the Manipulation of Plant Diversity.
  

SELENIUM - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Distribution of Selenium in Kendrick Irrigation Project Waters in South-east Wyoming., Distribution of Selenium in Kendrick Irrigation Project Waters in South-east Wyoming.
  
• Selenium affects the Carbohydrate Metabolism of Potato (Solanum tuberosum L.)
  
• Selenium Uptake by Forage Species Grown on Phosphate Mining Waste Rock.
  
• Grazing-Incidence XAFS and Long-Period Standing Wave Studies of Metal(loid) Sorption and Transformations at Mineral/Biofilm Interfaces.
  

SELENIUM ADSORPTION ON MINERAL SURFACES - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Characterization of Selenium Speciation on Mineral Surfaces in San Joaquin River Sediments.
  

SELENIUM DETERMINATION WITH HGAAS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Characterization of Selenium Speciation on Mineral Surfaces in San Joaquin River Sediments.
  

SELENIUM EXTRACTION IN SOIL SEDIMENTS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Characterization of Selenium Speciation on Mineral Surfaces in San Joaquin River Sediments.
  

SELENIUM SPECIATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Characterization of Selenium Speciation on Mineral Surfaces in San Joaquin River Sediments.
  

SELF-CALIBRATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Measuring Recharge with a Water-Flux Meter.
  

SEM - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Genesis and Morphology of Pedogenic Gypsum and other Sulfate Minerals, USA and Jordan.
  

SEMI-ARID - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Impact of Aspect on Soil Genesis in a Semiarid Climatic Regime.
  
• Grey to Green Revolution in the Semi-Arid Tropics of the World.
  

SEMI-ARID AREAS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Sustainable Barley-Legumes Rotations for Semi-Arid Areas of Lebanon.
  

SEMIARID ARGENTINA - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Adapting Canola as a winter crop in the Central Semiarid Region of Argentina.
  

SEMI-ARID ENVIRONMENTS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Coalbed Methane Product Water Quality Across the Powder River Basin of Wyoming.
  

SEMIARID MOROCCO - Back to R - Sn or Back to All Keywords or Back to the Main Index

• No-Till System: Departure from Traditional Agricultural Systems in Semiarid Morocco.
  

SEMIARID PRAIRIE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Effect of Crop Rotations on Soil Organic Matter in the Semiarid Prairies.
  

SEMIARID SOILS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Lamellae Genesis in a Semiarid Environment, Grand Staircase-Escalante National Monument.
  

SEMI-ARID TROPICAL AGRICULTURE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Cereal domestication, species diversity and culture history.
  

SEMIDWARF - Back to R - Sn or Back to All Keywords or Back to the Main Index

• How Do We Manage For Higher Yielding Soybeans?
  

SENSITIVITY - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Sensitivity of microbial biomass, soil and size fraction carbon to cultural factors and season in SRIC systems.
  

SENSITIVITY ANALYSIS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Sensitivity Analysis of an Ammonia Volatilization Model to its Input Parameters.
  
• Criteria for Dynamic Soil Property Selection for Soil Survey.
  
• GOSSYM Simulation Analysis of Climate Change Impacts on Cotton Production.
  

SENSOR BASED - Back to R - Sn or Back to All Keywords or Back to the Main Index

• On-Farm Trials Using a Field-Scale, One Meter Resolution Variable Nitrogen Rate Applicator.
  

SEPTIC SYSTEM FAILURE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Mineral Precipitates Responsible for Septic System Failure in Coarse-Textured Soils.
  

SEPTIC SYSTEMS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• The Effect of Soil Thickness and Texture on Domestic Wastewater Treatment.
  
• Soil Morphologic Characteristics Related to Septic System Performance in Northern Indiana.
  

SEPTORIA LEAF BLOTCH - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Response of Emmer Wheat x Goat Grass Derived Synthetic Hexaploid Wheat to Leaf Rust, Stripe Rust, and Septoria Leaf Blotch.
  

SEQUENTIAL EXTRACTION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Sequential Extraction of Zn in Oxisols from Brazil.
  
• Distribution and Bioavailability of Heavy Metals in Soil-Plant System by Successive Application of Municipal Sewage Sludge and Pig Manure Compost in Korea.
  

SEQUENTIAL INDICATOR SIMULATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Geostatistical Simulation Used for Assessing the Uncertainty of Mapping Heavy Metals in Contaminated Soils.
  

SEQUESTERING AGENT - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Effect of Sequestering Agents on Bioavailability of Inorganic Contaminants.
  

SEQUESTRATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Establishing Accounting Systems for Greenhouse Gas Offset Projects.
  
• Effect of Tillage and Carbon Input Levels on Carbon Dynamics over the Long-Term.
  
• Economic Potential for Soil Carbon Sequestration: Basic Evidence and Challenges.
  
• In-situ CO2 evolution and soil organic C pools in switchgrass land managed for biomass production.
  

SEQUOIA SEMPERVIRENS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Organic matter processes in arboreal Histosols of the coast redwood rainforest.
  

SERGEI WINOGRADSKY - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Sergei Winogradsky's 'Direct Method' and the Formation of an International Network of Soil Microbiologists including: C.B. van Niel, H.J. Conn, S.A. Waksman, L.G. Rommell, A.J. Kluyver, and others.
  

SERPENTINE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Microbial Communities of Serpentine Soils.
  

SESAME - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Mining for Genes in the NPGS Sesame Collection.
  

SESAME(SESAMUM INDICUM L.) - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Genetic Analysis of the Different Growth Types of Sesame(Sesamum indicum L.)
  

SESAMIN - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Mining for Genes in the NPGS Sesame Collection.
  

SESAMOLIN - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Mining for Genes in the NPGS Sesame Collection.
  

SESAMUM INDICUM - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Development of Regeneration and Gene Transformation System for Sesamum indicum L.?
  

SESBANIA DRUMMONDII - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Differentiation in Tissue Culture of a Medicinally and Environmentally Important plant :Rattlebox.
  

SEWAGE SLUDGE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Sewage sludge and their byproducts: Soil amendments for optimum plant growth.
  
• Sequential Extraction of Zn in Oxisols from Brazil.
  
• Water quality effects of surface mine reclamation with biosolids.
  

SHADE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Effects of Morning and Afternoon Shade in Combination with Traffic Stress on Seashore Paspalum.
  
• Effects of Light Quality and Quantity on Development of Improved Tall Fescue Cultivars in Shade.
  
• Daily Sunlight Requirements for 'TifEagle' Bermudagrass Golf Greens.
  

SHADE TOLERANCE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• A New Turfgrass Species, Crested Dogtail, with Improved Shade Tolerance.
  

SHALLOW LAKES - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Influence of Sediment Dredging on Phosphorus Flux Between Sediment and Overlying Water of a Shallow Subtropical Lake.
  

SHARED RESOURCE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Peer reviewed on-line lessons for teaching crop genetics and genetic engineering.
  

SHATTER RESISTANCE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Mining for Genes in the NPGS Sesame Collection.
  

SHEAR FAILURE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Soil Attributes that Govern Landscape Stability in Tropical Steeplands.
  

SHEEP - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Soluble sugars of Oklahoma forages harvested in morning and afternoon: stocker preference.
  

SHEEP FESCUE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Overseeding Buffalograss Turf With Fine Fescues.
  

SHINUS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Brazilian Pepper Suppression Factors on Soil Disposal Mounds in Everglades National Park.
  

SHOCHASTICS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• A Stochastic Analysis of Profile Soil Moisture Change Within a Meso-Landscape.
  

SHOOTING RANGE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Desorption of Pb in two Florida shooting range soils: A column leaching study.
  
• Weathering of lead bullets and their environmental impacts at outdoor shooting ranges in Florida.
  

SHORT-TERM CHANGES - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Modeling Seasonal Variability of Soil and Groundwater Properties at Selected Piedmont Wetlands in Mid-Atlantic U.S.
  

SHRUB BUFFERS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Effectiveness of Shrub Buffers on Nitrate-N Removal.
  

SHRUB-STEPPE ECOSYSTEMS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Cheatgrass Invasion Alters Soil Morphology and Organic Matter Dynamics in Shrub-Steppe Grasslands.
  

SICKLEPOD - Back to R - Sn or Back to All Keywords or Back to the Main Index

• The Role of Weeds in Competition.
  
• Effect of Glyphosate on Pollination and Seed Set in Glyphosate-Resistant Corn and Weed Species.
  

SIDEWALL - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Side-wall Absorption of Narrow and Deep On-site Wastewater Disposal Trenches.
  

SIGNALLING - Back to R - Sn or Back to All Keywords or Back to the Main Index

• The Induction of Heat Stress Tolerance in Creeping Bentgrass through Pre-treatment with Potential Second Messengers.
  

SILAGE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Ryegrass Selection for Dairy Operations in Florida.
  

SILAGE CEREALS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Intercropping Berseem Clover with Barley, Oat or Triticale.
  

SILAGE HARVEST - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Changes in Silage Moisture and Milkline Progression in Dual- and Leafy Maize.
  

SILAGE MOISTURE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Changes in Silage Moisture and Milkline Progression in Dual- and Leafy Maize.
  

SILAGE QUALITY - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Modeling Silage Quality as a Function of Weather and Soil.
  

SILICA - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Silica Deficiency in Louisiana Sugarcane.
  

SILICA ACCUMULATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Secondary Silica in Soils of West Texas.
  

SILICA BIOGEOCHEMISTRY - Back to R - Sn or Back to All Keywords or Back to the Main Index

• The Biogeochemistry of Silica in Terrestrial Ecosystems.
  

SILICA SAND - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Effects of Colloid Type and Porous Medium Properties on Colloid Transport.
  

SILICON - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Pumpkin Yield and Disease Response to Amending Soil with Silicon.
  
• Soluble Silicon Applications Stimulate Defense Reactions and Disease Resistance of Creeping Bentgrass.
  

SILK EMERGENCE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Flowering Dynamics and Kernel Set in Maize Vary With Plant Population Density and Nitrogen Fertilizer Levels.
  

SILT- AND CLAY-ASSOCIATED C AND N - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Effect of Soil Fertility on Physically Fractionated Soil C and N Pools of Sandy Soils Exposed to Elevated Atmospheric CO2.
  

SILT LOAM SOILS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Variations in Extractable Boron Using Three Extraction Methods on Sandy and Silt Loam Soils Treated and Incubated with 10 Levels of Boron.
  

SILVICULTURE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Soil changes following silvicultural disturbances - An 11 year perspective.
  

SILVO-PASTORAL SYSTEM - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Organic matter turnover in whole soil and light fraction from a silvo-pastoral system in semi-arid NE Brazil.
  

SILVOPASTORAL SYSTEM COMPONENT - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Production and Nutritive Value of Orchardgrass Along a Gradient From Open Pasture to Woodland.
  

SILVOPASTURE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• History and potential of silvopasture in the Southeastern U.S.
  

SIMAZINE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Pesticide Movement in Soil under Bermudagrass Vs Fallow Systems.
  

SIMPLE SEQUENCE REPEATS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Genetic Mapping of Phytate Genes in Soybean.
  
• A Comparison of Recombination Rates Between Adapted Soybean Cultivars, and Random Lines.
  

SIMPLIFIED IN-VITRO PROCEDURE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Competitive Influence of Phosphorus and Calcium on Pb In-vitro Bioavailability.
  

SIMS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Sub-mm Chemical Imaging and Isotope Ratio Analysis with Secondary Ion Mass Spectrometry.
  

SIMULATED RAINFALL - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Runoff Quality from Bermudagrass Plots Treated with Poultry Litter .
  
• Grazing Management Systems to Minimize Phosphorus Losses from Upland Pastures.
  

SIMULATION - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Simulated Foliar Disease Progression Effect on Seed Size and Yield of Inbred Maize Genotypes.
  
• Transport of Reacting Chemicals.
  
• Adapting CROGRO For Simulating Cotton.
  
• Field-scale Monitoring and Simulation of the Overland Transport of Bromide and Pathogens.
  

SIMULATION MODELING - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Improved nutrient management: Capturing benefits from differences in water and solute movement.
  
• Simulating Native and Improved Grasses in Diverse sites in Texas.
  
• Functional Evaluation of Different Scale Soil Hydraulic Pedotransfer Functions.
  

SIMULATION MODELS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Coping with Herbivores and Pathogens: A Model of Optimal Root Turnover.
  
• Dynamics of Ecosystem P in Chronosequences: A Mechanistic Analysis.
  
• Sensitivity of C Sequestration to Net Primary Productivity and Tillage in Irrigated Maize Systems.
  

SINGLE CROSS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Diallel analysis of single cross hybrids among white QPM inbreds.
  

SIR ALBERT HOWARD - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Sir Albert Howard's 'War In The Soil' And The Origins Of Organic Agiculture.
  

SITE ASSESSMENT - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Urban Soil Quality and Site Assessment Cards.
  
• Applications of the Land Evaluation and Site Assessment Technique and a Geographic Information System in East Park County, Wyoming.
  

SITE QUALITY - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Changes in Soil Moisture and Nutrient Availability Following Alternative Silvicultural Systems in the Southern Appalachians.
  

SITE REMEDIATION TYPES - Back to R - Sn or Back to All Keywords or Back to the Main Index

• The Use of Phytoremediation within the Regulatory Framework of Environmental Cleanups.
  

SITE SPECIFIC MANAGEMENT - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Site Specific Management of Plant Stress Using Infrared Thermometers and Accu-pulse.
  

SITE SPECIFIC NUTRIENT MANAGEMENT - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Integrated Crop Management to Enhance Productivity of Rice-Wheat System in Nepal.
  

SITE VARIABLE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Associations among Soil Properties and Site Variables of Alfisols in Ohio.
  

SITE-DIRECTED MUTAGENESIS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Analysis of the Acid Phosphatase Activity of Soybean Vegetative Storage Protein.
  

SITE-INDEX - Back to R - Sn or Back to All Keywords or Back to the Main Index

• A Field-Based Assessment Tool for Phosphorus Losses in Runoff in Kansas.
  

SITE-SPECIFIC - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Yield Goals: Their Economic Reality in Site-Specific and Conventional Farming.
  
• Spring Nitrogen Use Efficiency and Yield Results from Site-Specific Nitrogen Management in Winter Wheat.
  
• Use of Site-Specific SOC Data in Estimates of Carbon Flux for Small Watersheds.
  

SITE-SPECIFIC AGRICULTURE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Soil Carbon Correlation with Electrical Conductivity, Terrain Attributes, and Soil Map Unit for a Coastal Plain Field.
  
• Topographic Interaction With Nutrient Mitigation of Crop Stress: Eight Site-Years on Early Planted Corn Response to Starter in Kentucky-Pennyroyal Landscape..
  

SITE-SPECIFIC CROP MANAGEMENT - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Characterizing the spatial variability of water stress in corn.
  

SITE-SPECIFIC FERTILIZER RESPONSE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Variation of Nitrogen Fertilizer Response in Sugarbeet Production Fields.
  

SITE-SPECIFIC MANAGEMENT - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Processing spatial data for delineating sampling and management zones.
  
• Sparse Data and Spatial Reality, the Vision of Remote Sensing for Directed Sampling.
  
• Soil Electrical Conductivity Classification: A Basis for Site-Specific Management in Semiarid Cropping Systems.
  
• Remote Sensing and Nitrogen Optimization for Site-Specific Management of Soft Red Winter Wheat.
  

SITE-SPECIFIC NUTRIENT MANAGEMENT - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Site-specific strategies for nutrient management in plantation-based oil palm: An Indonesian perspective.
  

SITE-SPECIFIC SYSTEMS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Linking the Pieces of Precision Farming Systems.
  
• Mapping the Information Network for Site-Specific Systems.
  

SITE-SPECIFIC WEED MANAGEMENT - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Variable-Rate Herbicide Application for Precision Weed Management.
  

SITE-SPECIFIC-FARMING - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Use of Soybean Varieties Bred for Specific Adaptation in Site Specifc Farming.
  

SIV - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Preparation and Characterization of Pillared Clays with Al-Hydroxy Polymers by FTIR and TGA.
  
• Identification and Characterization of the Expandable Clay Minerals and their Relationship with the Availability of Metals and Retention of K+ In Soils of the Parana River Basin.
  

SIZE FRACTIONATIONQ - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Evaluating Soil Management Effects On C Sequestration In Soil Macroorganic Matter.
  

SKINNED INFIELD - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Baseball Reaction Off the Skinned Infield Surface.
  

SLAG PILE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Phyto-Engineering Applications to Brownfield Redevelopment.
  

SLOPING UPLAND - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Influence of Agricultural Management on the Soil and Water Qualities in the Sloping Upland Areas.
  

SLOW RUSTING - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Molecular Characterization of QTL for Slow Leaf Rusting Traits in Wheat.
  
• Rust Resistance from Missionary Wheats to Fields of Modern Farmers.
  

SMALL ACREAGE - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Living on the Land Curriculum: Addressing Stewardship for Small Acreages.
  
• Living on the Land: Stewardship for Small Acreages.
  

SMALL FARMERS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Conservation agriculture for small farmers: Challenges and possibilities.
  

SMALL FARMS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Cultivating Success: A New Educational Program in Sustainable Small Acreage Farming and Ranching.
  
• Experiences of Small Farmers in Paraguay with Zero Tillage and Cover Crops.
  

SMALL GRAINS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Agronomic Evaluation of Waxy Proso Millets in the High Plains.
  

SMALL HOLDER FARMERS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Conservation Tillage Programmes for Small Holder Farmers in Africa.
  

SMALL PLOT SPRAYER - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Modification of JD 6000 Hi Cycle for Small Plot Work.
  

SMECTITES - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Availability of Soil-Clay Surfaces for Organic Contaminant Sorption.
  
• Bonding of Polyacrylamides to Smectite, Illite and Kaolinite and their Effects on the Surface Properties of the Clays.
  
• Thermodynamic Considerations of Nitroaromatics Adsorption by Smectite Clays.
  
• Adsorption Energies for Polar Organics Interacting with Clay Minerals.
  
• Binding Energy (BE) and Maximum Phosphorus Adsorption Capacity (MPAC) in a Toposequence of Soils Derived from Basalts South of Brazil.
  

SMELTER CONTAMINATED SOILS - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Dissolution of Nickel Oxide in a Smelter Contaminated Soil.
  

SNOWMELT - Back to R - Sn or Back to All Keywords or Back to the Main Index

• Snowmelt Runoff as a Transport Factor in a Phosphorus Site Index.