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

Oral Session
S08 Nutrient Management & Soil & Plant Analysis This session will cover strategies for managing nitrogen to increase crop productivity while minimizing nitrogen losses to the environment

Cosponsor(s):

Soil Fertility & Plant Nutrition
Monday, October 17, 2011: 10:05 AM-12:10 PM
Henry Gonzalez Convention Center, Room 209

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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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