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135 Agricultural Practices to Increase Nitrogen-Use Efficiency, Carbon Sequestration, and Greenhouse Gas Mitigation: I

Oral Session
S06 Soil & Water Management & Conservation Nitrogen is a major limiting nutrient for crop production. As a result, substantial amounts of N fertilizers have been applied to sustain and/or increase yields. This has also resulted in major environmental consequences, such as N leaching in the groundwater and emission of N2O. Agricultural practices contribute about 70% of the global N2O emission. This session will discuss novel agricultural management options, such as N fertilization, cover cropping, crop rotation, fallow management, tillage, etc. that reduce N fertilization rates to crops and greenhouse gas emissions, increase N-use efficiency and C sequestration, and sustain crop yields and quality.
Monday, October 17, 2011: 8:25 AM-11:50 AM
Henry Gonzalez Convention Center, Room 218

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Organizer:
Maysoon Mikha
Presider:
Maysoon M. Mikha
8:25 AM
Introductory Remarks
8:30 AM
135-1
Nitrogen and Carbon Mineralization From Peanut Residues Under Conservation and Conventional Tillage At Two Locations.
Michael Mulvaney, Virginia Tech, SANREM CRSP; Kipling Balkcom, USDA ARS; Wes Wood, Auburn University; Bernard Meso, USDA ARS
Recorded Presentation Audio File
8:45 AM
135-2
Methods to Evaluate Soil and Crop Management-Induced Soil Carbon Changes.
Maysoon M. Mikha, USDA-ARS; Joseph Benjamin, USDA-ARS; Ardell Halvorson, USDA-ARS; David Nielsen, USDA-ARS
9:00 AM
135-3
Drainage Effects On Soil Carbon and Nitrogen In Corn-Soybean Rotation.
Alan P. Sundermeier, The Ohio State University; Randall Reeder, The Ohio State University; James Hoorman, The Ohio State University; Yogendra Raut, The Ohio State University; Khandakar Islam, The Ohio State University
Recorded Presentation Audio File
9:15 AM
135-4
Measuring the Effects of Water Table Management On Soil Greenhouse Gas Emissions From Corn and Soybean Fields In Eastern Canada.
Vinay Nangia, International Center for Agricultural Research in the Dry Areas (Formerly with Agriculture and Agri-Food Canada); Mark Sunohara, Agriculture and Agri-Food Canada; Ed Topp, Agriculture and Agri-Food Canada; Edward G. Gregorich, Agriculture and Agri-Food Canada; Natalie Gottschall, Agriculture and Agri-Food Canada; Craig F. Drury, Agriculture and Agri-Food Canada; David R. Lapen, Agriculture and Agri-Food Canada
9:30 AM
135-5
Field Emissions of Greenhouse Gases From Contrasting Biofuel Feedstock Production Systems Under Different N Fertilization Rates.
Virginia L. Jin, USDA-Agricultural Research Service; Gary E. Varvel, USDA-Agricultural Research Service; Brian J. Wienhold, USDA-Agricultural Research Service; Marty R. Schmer, USDA-Agricultural Research Service; Robert B. Mitchell, USDA-Agricultural Research Service; Kenneth P. Vogel, USDA-Agricultural Research Service
Recorded Presentation Audio File
9:45 AM
135-6
Tillage and N Source Effects On Nitrous Oxide Emissions From Soils.
Craig F. Drury, Greenhouse & Processing Crops Research Centre; W. Dan Reynolds, Greenhouse & Processing Crops Research Centre; Xueming Yang, Greenhouse & Processing Crops Research Centre; Tom W. Welacky, Greenhouse & Processing Crops Research Centre; Neil B. McLaughlin, Greenhouse & Processing Crops Research Centre; Wayne Calder, Greenhouse & Processing Crops Research Centre; Cynthia A. Grant, Greenhouse & Processing Crops Research Centre
Recorded Presentation Audio File
10:00 AM
Break
10:15 AM
135-7
Denitrification Losses In Manure Amended, Permanent Forage and Corn-Soybean-Wheat Rotations In Atlantic Canada.
Keith D. Fuller, Atlantic Food & Horticulture Research Centre; David Burton, Nova Scotia Agricultural College; Craig F. Drury, Greenhouse and Processing Crops Research Centre; Bernie J. Zebarth, Potato Research Centre; Mark Grimmett, Crops and Livestock Research Centre; Sherry A. Fillmore, Atlantic Food and Horticulture Research Centre; Robert J. Gordon, University of Guelph; Edgar St George, Atlantic Food and Horticulture Research Centre
10:30 AM
135-8
Effect of Reduced Tillage and a Nitrification Inhibitor on Nitrous Oxide Emissions After the Conversion of Pasture to Cropping; Preliminary Results After One Year of Continuous Monitoring by Automatic Chambers.
Sally Officer, Department of Primary Industries; Kevin Kelly, Department of Primary Industries; Gavin Kearney, 36 Paynes Road; John Graham, Department of Primary Industries
Recorded Presentation Audio File
10:45 AM
135-9
Annual Based Yield-Scaled Global Warming Potential of Rice Production In a Mediterranean Climate.
Cameron Pittelkow, University of California, Davis; Arlene A. Adviento-Borbe, University of California, Davis; Johan Six, University of California, Davis; James Hill, University of California, Davis; Chris van Kessel, University of California, Davis; Bruce Linquist, University of California, Davis
Recorded Presentation Audio File
11:00 AM
135-10
Characteristics and Driving Factors of Nitrous Oxide and Carbon Dioxide Emissions From Soil Irrigated with Treated Wastewater.
Yandong Xue, China Agricultural University; Peiling Yang, China Agricultural University; Yunkai Li, China Agricultural University; Shumei Ren, China Agricultural University; Harold van Es, Cornell University; Bianca Moebius-Clune, Cornell University; YanPing Su, China Agricultural University
Recorded Presentation Audio File
11:15 AM
135-11
Nitrous Oxide (N2O) Emissions From Soils Receiving Long-Term Applications of Liquid Swine Manure or Solid Cattle Manure.
Richard Farrell, University of Saskatchewan; Reynald L. Lemke, Agriculture and Agri-Food Canada; Jeff Schoenau, Agriculture and Agri-Food Canada
11:30 AM
135-12
Managing and Mitigating N Gas Emissions From Cattle Feedlots and Manure Stockpiles.
Owen T. Denmead, University of Melbourne; Douglas Rowell, University of Melbourne; Jagrati Singh, University of Melbourne; Deli Chen, University of Melbourne
Recorded Presentation Audio File
11:45 AM
135-13
Using Hybrid Poplar Trees to Sequester Carbon In Western Canada's Boreal Region.
Scott Chang, University of Alberta; Zheng Shi, University of Alberta; Barb Thomas, University of Alberta; Daniel Saurette, Agriculture Canada
Recorded Presentation Audio File
12:00 PM
Concluding Remarks
12:05 PM
Adjourn
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