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40 Edge of Field Nutrient Losses: Measurements and Management: I

Oral Session
A05 Environmental Quality
Edge-of-field nutrient losses occur when commercial fertilizers or manures are land applied. Are setbacks an effective mitigation strategy? Can GPS/GIS be used as a tool for determining setback distances? Which plant species are effective? These topics will be discussed.
Monday, November 2, 2009: 12:55 PM-3:15 PM
Convention Center, Room 334, Third Floor

Presiding:
Grant Cardon
Organizer:
James Ippolito
12:55 PM
Introductory Remarks
1:00 PM
40-1
Levels of Phosphorus in Soils, Plants, Surface Water and Shallow Groundwater in Bahiagrass-Based Beef Cattle Pasture.
Gilbert Sigua, USDA-ARS, Subtropical Agricultural Res. Stn.; Sam Coleman, USDA-ARS, Subtropical Agricultural Res. Stn.; Robert Hubbard, USDA-ARS
Audio File Recorded presentation
1:15 PM
40-2
Leachate Phosphorus Fractionation Study of Poultry Manure-Amended Vermont Soil.
Courtney Giles, Univ. of Vermont; Barbara Cade-Menun, Agriculture and Agri-Food Canada; Jane Emily Hill, Univ. of Vermont
Audio File Recorded presentation
1:30 PM
40-3
Setback Performance for Manure Application to Frozen/Snow Covered Ground.
Robert Mullen, Ohio State Univ., OARDC; Clayton E. Dygert, Ohio State Univ., OARDC; Jonathon Rausch, Ohio State Univ.
Audio File Recorded presentation
1:45 PM
40-4
Effects of Winter Manure Application in Ohio On the Quality of Surface Runoff.
Lloyd Owens, USDA-ARS; James Bonta, USDA-ARS; Martin Shipitalo, USDA-ARS; Shane Rogers, Clarkson Univ.
Audio File Recorded presentation
2:00 PM
Break
2:15 PM
40-5
Do Plot Scale Studies Yield Useful Data When Assessing Field Scale Practices?.
Douglas Smith, USDA-ARS, Natl. Soil Erosion Res. Lab.; Elizabeth Pappas, USDA-ARS, Natl. Soil Erosion Res. Lab.
Audio File Recorded presentation
2:30 PM
40-7
Corn Acreage, Fertilizer Use, and Spring Nutrient Discharge in the Mississippi River Basin: Relationships and Impact On Hypoxia.
Clifford Snyder, Intl. Plant Nutrition Inst.
Audio File Recorded presentation
2:45 PM
40-8
Nitrogen in the Mississippi River Basin: How Do Inputs and Balances Relate to Riverine Export of Nitrate?.
Mark B. David, Univ. of Illinois, Urbana-Champaign; Laurie Drinkwater, Cornell Univ.; Linda Jacobson, Univ. of Illinois, Urbana-Champaign; Corey Mitchell, Univ. of Illinois, Urbana-Champaign
Audio File Recorded presentation
3:00 PM
Discussion
3:15 PM
Adjourn
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