S03 Soil Biology & Biochemistry

Wednesday, October 19, 2011: 8:25 AM-11:30 AM

Henry Gonzalez Convention Center, Room 006A

Organizer:

Thomas Moorman

Presiders:

Zachary Aanderud and Michael J. Castellano

8:25 AM

Introductory Remarks

8:30 AM

352-1

Soil Denitrification Potential and Gene Diversity of Nirk, Nirs and Nosz Across Field Scale Comparisons of Low Input Sustainable and Business-As-Usual Agricultural Systems.

Jude Maul, USDA-ARS; Sarah Emche, USDA-ARS; Natalee Gautam, USDA-ARS; Michel Cavigelli, USDA-ARS

8:45 AM

352-2

Enriched ¹⁵ N-N ₂ O Tracing Reveals the Importance of Soil Moisture and Bulk Density for N ₂ O Reduction.

Roland Klefoth, Wageningen University & Research Centre; Tim Clough, Lincoln University; Oene Oenema, Wageningen University & Research Centre; Jan Willem van Groenigen, Wageningen University & Research Centre

Recorded Presentation Audio File

9:00 AM

352-3

Synthesis and Interpretation of N₂Ο Fluxes, and Regional Modeling Using DNDC.

Miguel Arango, Kansas State University; Charles Rice, Kansas State University; Chansheng Li, University of New Hampshire; William Salas, Applied GeoSolutions LLC

Recorded Presentation Audio File

9:15 AM

352-4

Are Earthworms Good or Bad for the Soil Greenhouse Gas Balance?.

Ingrid M. Lubbers, Wageningen University & Research Centre; Steve J. Fonte, CIAT; Lijbert Brussaard, Wageningen University & Research Centre; Jan Willem van Groenigen, Wageningen University & Research Centre

9:30 AM

352-5

Predicting Soil Carbon Dynamics, Net Ecosystem Exchange, and Nitrous Oxide Emissions with the EPIC Model.

Roberto C. Izaurralde, Battelle Pacific NW Lab.; William McGill, University of Northern British Columbia; Jimmy R. williams, Texas A&M University; David Manowitz, Battelle Pacific NW Lab.; Dagmar E. Schwab, University of Natural Resources and Applied Life Sciences; Xuesong Zhang, Battelle Pacific NW Lab.

9:45 AM

Break

10:00 AM

352-6

Incorporating Carbon Saturation Concepts and Nitrogen Retention Theory.

Michael Castellano, Iowa State University; Jason Kaye, Pennsylvania State University; Henry Lin, The Pennsylvania State University; John Schmidt, USDA-ARS-PSWMRU

10:15 AM

352-7

Paper Withdrawn

10:30 AM

352-8

Factors Affecting the N Uptake Pathway of Soil Microorganisms.

Daniel Geisseler, University of Kassel; Rainer Georg Joergensen, University of Kassel; Bernard Ludwig, University of Kassel

Recorded Presentation Audio File

10:45 AM

352-9

Soil Organic Matter Dynamics and Microbial Distribution Under Elevated CO2 and Drought.

Engil Pereira, University of California, Davis; Haegeun Chung, Division of Environmental Science and Ecological Engineering, Korea University; Kate Scow, University of California-Davis; Johan Six, University of California, Davis

Recorded Presentation Audio File

11:00 AM

352-10

Interactive Effects of Residue Quality and Mineral N On Microbially-Mediated Soil Aggregation Dynamics.

C�dric Le Guillou, Agrocampus Ouest / INRA; Denis Angers, Agriculture and Agri-Food Canada; Pierre-Alain Maron, INRA; Philippe Leterme, Agrocampus Ouest / INRA; Safya Menasseri-Aubry, Agrocampus Ouest / INRA

Recorded Presentation Audio File

11:15 AM

352-11

Root Exudates Stimulate Rhizosphere Microbial Activity and Promote N Feedbacks for Exotic Grass Invasion.

Zachary Aanderud, Brigham Young University; Suzanne Dunken, United States Department of Agriculture; Jeremy J. James, United States Department of Agriculture

11:30 AM

Adjourn

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See more from this Division: S03 Soil Biology & Biochemistry
See more from this Session: Soil Carbon and Nitrogen: Microbial Transformations and Fluxes

352 Soil Carbon and Nitrogen: Microbial Transformations and Fluxes