280 Nitrogen and Manure Managment in Agricultural Systems

Oral Session
A08 Integrated Agricultural Systems
Nitrogen and manure are key inputs for sustainable, profitable cropping systems. The cost of N inputs has changed management. The goal is to use N resources to maximize efficiency across the landscape.
Wednesday, November 4, 2009: 9:55 AM-12:05 PM
Convention Center, Room 301-302, Third Floor

Presiding:
David Clay
Organizer:
Sharon Clay
9:55 AM
Introductory Remarks
10:00 AM
Corn Yield Response to Nitrogen and Soil Water Content Variability along a Hillslope.
John Schmidt, USDA-ARS; Ravi Sripada, Monsanto Company; Douglas Beegle, Pennsylvania State Univ.
10:15 AM
Sustainable Management of Soil Nitrogen and Organic Matter in Low-External-Input Organic Crop Production in the Caribbean.
Stuart A. Weiss, Univ. of the Virgin Islands; Danielle D. Treadwell, Univ. of Florida; Carlene A. Chase, Univ. of Florida; Rachel Ben Avraham, Univ. of the Virgin Islands
10:30 AM
Natural Reseeding of Chinese Milk Vetch(Astragalus sinicus L.) as a Source of Green Manure On Rice in Southern Korea.
Sang Kim, Natl. Inst. of Crop Science, RDA, Dep. of Functional Crop; Seong-Hwan Oh, Natl. Inst. of Crop Science, RDA, Dep. of Functional Crop; Woon-Ha Hwang, Natl. Inst. of Crop Science, RDA, Dep. of Functional Crop; Sang-Min Kim, Natl. Inst. of Crop Science, RDA, Dep. of Functional Crop; Hang-Won Kang, Natl. Inst. of Crop Science, RDA, Dep. of Functional Crop
10:45 AM
Response of Spring Wheat Varieties with and without “Stay-Green” Trait to Nitrogen Fertilizer.
Chengci Chen, Montana State Univ.; Malvern Westcott, Montana State Univ.; Grant Jackson, Montana State Univ.; Jeffery Whitmus, Montana State Univ.
11:00 AM
Break
11:15 AM
Title: Orchardgrass Ley for Improved Manure Management: Residual Corn Yields.
Janet L. Hedtcke, Univ. of Wisconsin, Madison; Joshua Posner, Univ. of Wisconsin, Madison; John Hall, Michael Fields Agricultural Inst.; Richard Walgenbach, USDA, Dairy Forage Res. Center; Gregg R. Sanford, Univ. of Wisconsin, Madison; Emily Bernstein, Univ. of Wisconsin, Madison
11:30 AM
Coupling Cover Crops with Alternative Swine Manure Application Strategies: Manure-15N Tracer Studies.
Cynthia Cambardella, USDA-ARS-MWA; Thomas Moorman, USDA-ARS-MWA; Jeremy Singer, USDA-ARS-MWA; Mark Tomer, USDA-ARS-MWA; John Kovar, USDA-ARS-MWA; Brian Kerr, USDA-ARS-MWA
11:45 AM
Nitrogen Balances for New York State: Past and Future.
Sheryl Swink, Cornell Univ.; Quirine Ketterings, Cornell Univ.; Larry Chase, Cornell Univ.; Karl Czymmek, Cornell Univ.; Michael E. Van Amburgh, Cornell Univ.
12:00 PM
Concluding Remarks
12:05 PM
Adjourn