Note: Program subject to change without notice

Wednesday, November 7, 2007: 1:25 PM
291: There Is More to the Nitrogen Cycle
Sponsor: S03 Soil Biology & Biochemistry
Presiding: Mary Ann Bruns, Pennsylvania State Univ.
  Introductory Remarks
  Water and Nitrogen Limitation of the Soil Microbial Community in Managed and Unmanaged Southwestern Ponderosa Pine Forests.
Stephen Hart, Northern Arizona Univ., Sarah A. Boyle, Northern Arizona University, Paul C. Selmants, Northern Arizona University
  Simulation of N2O Emissions from An Intensively-Irrigated and Urea/urine-Affected Dairy Pasture at Kyabram in Australia.
Yong Li, AUSTRALIA,U.of Melbourne, Deli Chen, AUSTRALIA,U.of Melbourne, Kevin Kelly, Department of Primary Industries
  Soil Enzymes as Affected by Orchard Floor Management.
Jennifer Moore-Kucera, Oregon State University, Lisa Brutcher, Oregon State University, Anita Azarenko, Oregon State University, David Myrold, Oregon State University
  Short-Term Nitrogen Transformations Associated with Soil Aggregates and Microbial Community Composition in Three Different Tillage Systems.
Subathra Muruganandam, North Carolina State University, Daniel Israel, USDA-ARS, Wayne Robarge, North Carolina State University
  Nitrogen Cycling in the Lagoons and Artificial Wetlands Treating the Municipal Wastewater of Logan, Utah.
Jeanette Norton, Utah State University, Eric Dodson, City of Logan, Monica Garcia, Utah State University, Sarah Benanti, Utah State University
  Break
  The Impact of Elevated CO2 on Rhizodeposition and Microbial N Mineralization Under Wild and Cultivated Wheat Genotypes.
Chris van Kessel, University of California-Davis, Dept. of Plant Sciences, Marie-Anne de Graaff, University of California-Davis, Dept. of Plant Sciences, Johan Six, University of California-Davis, Dept. of Plant Sciences
  Reducing Nitrous Oxide (N2O) Gas Emissions in Agricultural Crop Production.
Neville Millar, Michigan State University Kellogg Biological Station, G. Philip Robertson, Michigan State University Kellogg Biological Station, Peter G. Grace, Queensland University of Technology, David Rowlings, Queensland University of Technology, Andrew T. Corbin, Michigan State University Kellogg Biological Station
  Does Delaying Incorporation of Crop Residue Change N2O Fluxes and Denitrification Rates?.
Jan Willem Van Groenigen, Wageningen University and Research Centre, Gerard L. Velthof, Wageningen University and Research Centre, Peter J. Kuikman, Wageningen University and Research Centre
  Adjourn

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