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147 S4/S8 Graduate Student Oral Competition-Nitrogen Management Strategies to Maximize Crop Productivity and Minimize Loss

Oral Session

This session will cover strategies for managing nitrogen to increase crop productivity while minimizing nitrogen losses to the environment

S08 Nutrient Management & Soil & Plant Analysis
Monday, October 17, 2011: 10:05 AM-12:10 PM
Henry Gonzalez Convention Center, Room 209, Concourse Level
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Organizer:
Ann Wolf
Presider:
Jeffrey Coulter
10:05 AM
Introductory Remarks
10:10 AM
147-1
Extraction and Activity Characterization of Urease From Various Crop Residues.
William Frame, Virginia Tech; Devin M. Ridgley, Virginia Tech; Marcus Alley, Virginia Tech; Justin R. Barone, Virginia Tech; Chao Shang, Virginia Tech
Recorded Presentation Audio File
10:25 AM
147-2
Quantifying Nitrogen Mineralization From Weed Residue.
Laura Bast, Michigan State University; Kurt Steinke, Michigan State University; Darryl Warncke, Michigan State University; Wesley Everman, North Carolina State University
10:40 AM
147-3
Productivity and Nitrogen Use Efficiency of Continuous Corn with Stover Removal.
Aaron Sindelar, University of Minnesota; John Lamb, University of Minnesota; Jeffrey Coulter, University of Minnesota; Jeffrey Vetsch, University of Minnesota
10:55 AM
147-4
Corn Nitrogen Fertilization In a Rye Cover Cropping System.
Jose L. Pantoja, Iowa State University; John E. Sawyer, Iowa State University; Daniel W. Barker, Iowa State University
Recorded Presentation Audio File
11:10 AM
147-5
Slow-Release Fertilizer Effect On Groundwater Nitrogen Concentration In Sandy Soils Under Potato Production.
Nicholas Bero, University of Wisconsin-Madison; Matthew Ruark, University of Wisconsin-Madison; Birl Lowery, University of Wisconsin-Madison
Recorded Presentation Audio File
11:25 AM
147-6
Topdressing Winter Wheat with Anhydrous Ammonia.
Matthew Wyckoff, Kansas State University; David Mengel, Kansas State University
Recorded Presentation Audio File
11:40 AM
147-7
Post-Harvest Organic Carbon Amendments to Minimize Mineral Nitrogen Losses in Cole Crop Production.
Katelyn A. Congreves, University of Guelph, Ridgetown Campus; Paul P. Voroney, University of Guelph; Ivan P. O'Halloran, University of Guelph, Ridgetown Campus; Laura L. Van Eerd, University of Guelph, Ridgetown Campus
Recorded Presentation Audio File
11:55 AM
147-8
Hairy Vetch Cultivation History Affects Nodulation and Biological Nitrogen Fixation Across Host Genotypes.
Nape Mothapo, North Carolina State University; Julie Grossman, North Carolina State University; Jude Maul, USDA-ARS
Recorded Presentation Audio File
12:10 PM
Adjourn
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