Wednesday, November 7, 2007: 9:25 AM
Convention Center, Room 218, Second Floor
289: Beyond (De)nitrification: An in Depth Look at Alternative N Transformation Pathways
Sponsor:S03 Soil Biology & Biochemistry
Presidings:Jan Willem Van Groenigen, Wageningen University and Research Center
Pascal Boeckx, Ghent University
9:25 AM Introductory Remarks
9:30 AM289-1Toward An Understanding of Mechanisms Leading to Peak Soil N2O Emissions during Midseason Corn Production.
Mary Ann Bruns, Pennsylvania State Univ., Matthew McCoy, Pennsylvania State Univ., Arlene Adviento-Borbe, Pennsylvania State Univ., Jason Kaye, Pennsylvania State Univ.
9:45 AM289-2Source Determination of N2O: The Use and Limitations of O Isotopic Analyses.
Dorien M. Kool, Alterra, Wageningen University and Research Centre, Jan Willem Van Groenigen, Alterra, Wageningen University and Research Centre, Nicole Wrage, Georg-August-University of Göttingen, Oene Oenema, Alterra, Wageningen University and Research Centre
10:00 AM289-3Are Microbial Community Shifts Linked to C and N Cycling in Managed Grasslands?.
Karolien Denef, Ghent University, Mihiri Manimel Wadu, Ghent University, Pascal Boeckx, Ghent University, Oswald Van Cleemput, Ghent University
10:15 AM289-4N Conservation in a Pristine South Chilean Nothofagus Forest: A 15-N Tracing Approach.
Dries Huygens, Ghent University, Roberto Godoy, Universidad Austral, Pamela Templer, Boston University, Leandro Paulino, Universidad de Concepcion, Carlos Oyarzún, Universidad Austral, Chris Müller, University of Giessen, Oswald Van Cleemput, Ghent University, Pascal Boeckx, Ghent University
10:30 AM Break
10:40 AM289-5Effect of Nitrate on the Expression of the Denitrification Gene Cnorb in Pure Culture of Pseudomonas Mandelii.
Saleema Saleh, University of Guelph, Kelly E. Shannon, University of Guelph, Claudia Goyer, Agriculture and Agri-Food Canada, Jack T. Trevors, University of Guelph, David Burton, CANADA, Nova Scotia Agric. Coll., Bernie J. Zebarth, Agriculture and Agri-Food Canada
10:55 AM289-6Linking Process Level Function and Beta-Ammonia Oxidizer Community Dynamics across Varying Soils Following Manure Application.
Ann-Marie Fortuna, USDA-ARS-NEPSWL, C. Wayne Honeycutt, USDA-ARS-NEPSWL, Terence L. Marsh, Dept. of Microbiology & Molecular Genetics, MI State Univ., Timothy Griffin, USDA-ARS-NEPSWL, Robert Larkin, USDA-ARS-NEPSWL, Zhongqi He, USDA-ARS-NEPSWL, Brian Wienhold, USDA-ARS, Karamat Sistani, USDA-ARS, Stephan Albrecht, USDA-ARS, Bryan Woodbury, USDA, H. Allen Torbert, USDA-ARS, J. Mark Powell, USDA-ARS, Robert K. Hubbard, Southeast Watershed Research Laboratory, USDA-ARS, Roger A. Eigenberg, U.S. Meat Animal Research Center, Robert Wright, USDA-ARS
11:10 AM289-7Denitrifier Population Dynamics Under Potato Production in Relation to Nitrous Oxide Emissions and Denitrification.
Claudia Goyer, Agriculture and Agri-Food Canada, Cathy E. Dandie, Agriculture and Agri-Food Canada, David Burton, CANADA, Nova Scotia Agric. Coll., Bernie J. Zebarth, Agriculture and Agri-Food Canada, Sherri L. Henderson, Agriculture and Agri-Food Canada, Jack T. Trevors, University of Guelph
11:25 AM Adjourn

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