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

Poster Session

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.

S06 Soil & Water Management & Conservation
Monday, October 17, 2011: 4:00 PM-6:00 PM
Henry Gonzalez Convention Center, Hall C, Street Level
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Organizer:
Upendra M. Sainju
137-1
514
Modeling Nitrous Oxide Fluxes In Conventional and Organic Cropping Systems Using the DNDC Model.
Antonio C. Freitas, Brazilian Agricultural Research Corporation-Embrapa; Michel Cavigelli, USDA-ARS; Ladislau Martin-Neto, Brazilian Agricultural Research Corporation- Embrapa; William Salas, Applied Geosolution
137-2
515
Corn Residue Removal Effects on Carbon Sequestration and Greenhouse Gas Emissions.
Jose G. Guzman, Iowa State University; Mahdi Al-Kaisi, Iowa State University
137-3
516
Management Practices Influence On Dryland Soil Carbon Dynamics.
Upendra M. Sainju, USDA-ARS; Andrew Lenssen, USDA-ARS; TheCan Caesar-TonThat, USDA-ARS; Jalal Jabro, USDA-ARS; Robert Lartey, USDA-ARS; Robert Evans, USDA-ARS; Brett Allen, USDA-ARS
137-4
517
SOM Characterization In Areas Under Different Tillage and Crop Rotation.
Bruno Martins, University of Sao Paulo; Michel Cavigelli, USDA-ARS; Jude Maul, USDA-ARS; Jeffrey Buyer, USDA-ARS; Anh Le, USDA-ARS; Chris Rasmann, USDA-ARS; Ladislau Martin-Neto, Brazilian Agricultural Research Corporation- Embrapa
137-5
518
Geospatial Modeling of Soil C Redistribution In Eroded Agricultural Landscapes.
David Kroetsch, Agri-Environmental Services Branch; Bert VandenBygaart, Agri-Environmental Services Branch; Richard Burcher, Agri-Environmental Services Branch
137-6
519
Soil C Burial In Eroded Agricultural Landscapes.
Albert VandenBygaart, Agriculture & Agrifood Canada; David Kroetsch, Agriculture & Agri-Food Canada; Edward Gregorich, Agriculture and Agri-Food Canada; David Lobb, University of Manitoba
137-7
520
Can Bomb 14 C Indicate Dynamic Replacement of Soil Carbon in Eroded Agricultural Landscapes?.
Albert VandenBygaart, Agriculture & Agrifood Canada; Edward Gregorich, Agriculture and Agri-Food Canada; David Kroetsch, Agriculture & Agrifood Canada; David Lobb, University of Manitoba
137-8
521
Effect of Two Biochar Types On Nitrous Oxide Emissions In a Commercial Vineyard.
Elizabeth C. Verhoeven, University of California, Davis
137-9
522
Minnesota Soil Survey Sites Revisited: Long-Term Trends In Soil Carbon.
Deborah Allan, University of Minnesota; Karina Fabrizzi, University of Minnesota; Keith Piotrowski, University of Minnesota; Greg Larson, Board of Water and Soil Resources; Megan Lennon, Board of Water and Soil Resources
137-10
523
Influence of Current and Previous Crop On Soil Basal and Potential Denitrification Rates.
Xiaobin Guo, Greenhouse and Processing Crops Research Centre, Agriculture & Agri-Food CanadaAgriculture and Agri-Food Canada; Craig F. Drury, Greenhouse and Processing Crops Research Centre, Agriculture & Agri-Food CanadaAgriculture and Agri-Food Canada; Xueming Yang, Greenhouse and Processing Crops Research Centre, Agriculture & Agri-Food CanadaAgriculture and Agri-Food Canada; W. Daniel Reynolds, Greenhouse and Processing Crops Research Centre, Agriculture & Agri-Food CanadaAgriculture and Agri-Food Canada; Renduo Zhang, School of Environmental Science and Engineering, Sun Yat-sen University
137-11
524
Site-Specific, Climate-Friendly Farming.
David Brown, Washington State University; Erin Brooks, University of Idaho; Jan Eitel, University of Idaho; Ann-Marie Fortuna, Washington State University; David Huggins, USDA-ARS; Kathleen Painter, University of Idaho; Jeffrey Smith, USDA-ARS; Claudio Stockle, Washington State University; Lee Vierling, University of Idaho
137-12
525
Biochar Effects On the Terrestrial N Cycle: An Assessment of Various Biochar Feedstocks.
Engil Pereira, University of California, Davis; Emma Suddick, University of California, Davis; Johan Six, University of California, Davis
137-13
526
Post Removal of Oil/Tar Materials From Biochar and Subsequent Impact On Weathering.
Matthew J. Keough, Texas A&M University; Tony Provin, Texas A&M University; Donald Vietor, Texas A&M University; Clyde Munster, Texas A&M University; Sergio Capareda, Texas A&M University
137-14
527
Vegetation and Fertilization Effects On Soil Water Soluble Organic Carbon.
Shawn Koltes, North Dakota State Univ.; Larry Cihacek, North Dakota State Univ.
137-15
528
Effect of Oxygen Content on Pathway of Nitrous Oxide Production from Different Nitrogen Fertilizers.
Xia Zhu, Univeristy of California davis; William R. Horwath, University of California-Davis
137-16
529
Effects of Agricultural Management with and without Cover Crops On Soil Nitrate In Different Topographical Positions.
Moslem Ladoni, Michigan State University; Juan Munoz-Robayo, Michigan State University; Alexandra Kravchenko, Michigan State University; Sieglinde Snapp, Michigan State University
137-17
530
Soil Nitrous Oxide Emission From a Maize Cropping System In the Southeastern U.S.
Matthew Taggart, North Carolina State University; Laura Vance, North Carolina State University; Wayne Robarge, North Carolina State University; Thomas Rufty, North Carolina State University
137-18
531
Biotic and Abiotic Factors Controlling Nitrous Oxide Emissions from an Agricultural Soil In Controlled Environment Chambers Using Continuous Monitoring.
Laura I. Vance, NC State University; Matthew Taggart, North Carolina State University; Wayne Robarge, North Carolina State University; Thomas Rufty, NC State University
137-19
532
Open Hydroponics Reduces Nitrate Leaching and Increases Nutrient Efficiencies In Citrus.
Arnold W. Schumann, University of Florida; Kevin H. Hostler, University of Florida; Kirandeep K. Mann, University of Florida; Laura Waldo, UNIVERSITY OF FLORIDA
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