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| Wednesday, 15 November 2006: 7:55 AM | |||
| 300: Symposium--Integrating Weather Variability into Nitrogen Recommendations | |||
| Sponsor: | S08 Nutrient Management & Soil & Plant Analysis | ||
| Cosponsor: | S04 Soil Fertility & Plant Nutrition | ||
| Presiding: | Thomas Bruulsema, Potash & Phosphate Institute | ||
| Introductory Remarks | |||
| 300-1 | Crop Simulation Models and Decision Support Systems. Gerrit Hoogenboom, Univ of Georgia, Upendra Singh, IFDC, Paul Wilkens, IFDC, Jeffrey W. White, US Arid Land Agricultural Research Center, James W. Jones, Univ of Florida, Kenneth J. Boote, Univ of Florida, L.T. Hunt, Univ of Guelph | ||
| 300-2 | Optimizing Nitrogen Management under Rainfed Agriculture. Upendra Singh, IFDC, Paul Wilkens, IFDC, Sanjay Patil, Indira Gandhi Agricultural Univ, Mustapha Naimi, IFDC | ||
| 300-3 | Science and Education Needs to Reconcile National Environmental and Energy Goals with Current Nitrogen Recommendations. Raymond E. Knighton, USDA-CSREES-NRE, Michael O'Neill, USDA-CSREES-NRE | ||
| 300-4 | Hillslope-Scale Variability in Corn Response to Nitrogen Linked to In-season Soil Moisture Redistribution. John Schmidt, USDA-ARS-PSWMRU, Nan Hong, Univerisity of Missouri, Adam Dellinger, Pennsylvania State Univ, Douglas Beegle, Pennsylvania State Univ, Hangsheng Lin, Penn State Univ | ||
| Break | |||
| 300-5 | Model-Based Nitrogen Fertilization Considering Agrometeorological Data. Kurt Christian Kersebaum, Centre of Agricultural Landscape Research | ||
| 300-6 | Exploring the Effect of Weather Forecast Accuracy on Fertilizer Recommendations. Gordon Dailey, Rothamsted Research, Andy Whitmore, Rothamsted Research, Jo Smith, Univ of Aberdeen | ||
| 300-7 | In-Season and Real-Time Plant Analysis for a more Flexible Nitrogen Recommendation System. Axel Link, YARA International, Joachim Lammel, YARA International | ||
| 300-8 | In-Season Prediction of Yield Potential for Nitrogen Management in Irrigated Corn. Achim Dobermann, Univ of Nebraska, Haishun Yang, Univ of Nebraska, Kenneth Cassman, Univ of Nebraska, Agronomy Dept, Daniel Walters, Univ of Nebraska, Agronomy Dept | ||
| Lunch | |||
| 300-9 | Fifty Years of Predicting Wheat Nitrogen Requirements Based on Soil Water, Yield, Protein and Nitrogen Efficiencies. William Pan, Washington State Univ, William Schillinger, Washington State Univ, David Huggins, USDA-ARS, Richard Koenig, Washington State Univ, John Burns, Washington State Univ | ||
| 300-10 | A Water Use Based System for Deriving Nitrogen Recommendations in the Canadian Prairies. Rigas Karamanos, Western Co-Op Fertilizers Ltd, James Henry, Soil Science Dept | ||
| 300-11 | How to Mitigate the Effects of Season on Corn Nitrogen Fertilizer Requirements. Nicolas Tremblay, Agriculture and Agri-Food Canada, Carl Bélec, Agriculture and Agri-Food Canada | ||
| 300-12 | Linking In-Season Fertilizer Decisions to Weather-Based Yield Predictions. Nathan Derby, NDSU, Soil Science Dept, Francis Casey, North Dakota State Univ, Ray E. Knighton, USDA-CSREES-NRE, Dean Steele, North Dakota State Univ | ||
| Break | |||
| 300-13 | Nitrogen Management Under Maize in Humid Regions: Case for the Dynamic Approach. Harold Van Es, Cornell Univ, Jeff Melkonian, Cornell Univ, Jean M. Sogbedji, Univ de Lome, Ivy Tan, Cornell Univ, Beverly Kay, Dept. of Land Res. Science, R.S. Dharmakeerthi, Univ of Guelph, H. Dadfar, Univ of Guelph | ||
| 300-14 | Application of Dynamic Simulation Modelling for Nitrogen Management in Maize. Jeff Melkonian, Cornell Univ, Harold Van Es, Cornell Univ, Arthur T. DeGaetano, Cornell Univ, Jean M. Sogbedji, Univ de Lome, Ecole Superieure d'Agronomie, Laura Joseph, Cornell Univ | ||
| 300-15 | Dynamic Fertilizer Management Triggered by Real-Time Simulations and Weather Conditions. Jetse Stoorvogel, Wageningen Univ and Research Centre, M.P.W. Sonneveld, Wageningen Univ and Research Centre, E. Serrano, Corporación Bananera Nacional (CORBANA) | ||
| 300-16 | Nitrogen Application Time and Weather Determine Nitrogen Effectiveness in Maize Production. Jeffrey R. Wessel, Univ of Illinois, Fred E. Below, Univ of Illinois | ||
| Discussion | |||
| Adjourn | |||
| Cosponsor: | S04 Soil Fertility & Plant Nutrition | ||
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