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70 U.S. Agriculture’s Role in Soil Carbon Sequestration and Greenhouse Gas Mitigation (GRACEnet)

Oral Session
Joint Sessions

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Tuesday, 7 October 2008: 1:30 PM-5:30 PM
George R. Brown Convention Center, General Assembly Theater Hall C

Presiding:
Stuart Birnbaum , Ronald Follett and Ronald Turco
1:30 PM
70-1
Biomass Production of Switchgrass and Corn Grown for Biofuel
Robert Mitchell, Grain, Forage and Bioenergy Research Unit; Kenneth Vogel, Grain, Forage and Bioenergy Res. Unit; Ronald Follett, USDA-Agricultural Research Service; Gary Varvel; John Kimble
1:45 PM
70-2
Soil Carbon Storage Under Corn and Switchgrass Grown for Biofuel
Ronald Follett, USDA-Agricultural Research Service; Robert Mitchell; Kenneth Vogel; Gary Varvel; John Kimble
2:00 PM
70-3
Effect of Tillage and Nutrient Sources on Soil Organic Carbon Fluxes and Storage
Holly Dolliver, Univ. of Wisconsin, River Falls; Satish Gupta, Univ. of Minnesota
2:15 PM
70-4
Soil Carbon Dioxide Emission and Carbon Content Under Dryland Crops. I. Effects of Tillage and Crops (Gracenet Project)
Upendra Sainju, USDA-ARS
2:30 PM
70-5
Limited potential to offset CO2 emission through land use change
Cinzia Fissore, University of Minnesota; Javier Espeleta, University of Minnesota; Edward Nater, University of Minnesota; Sarah Hobbie, University of Minnesota; Peter Reich, University of Minnesota
2:45 PM
70-6
Effects of Soil Physical Non-Uniformity on Chamber-Based Gas Flux Estimates
Rodney Venterea, USDA-ARS; John Baker, USDA-ARS
3:00 PM
70-7
Can Trace Gas Emission Be Modified by Management Scenarios in the Northern Corn Belt
Jane Johnson, USDA-Agricultural Research Service; David Archer, USDA-Agricultural Research Service; Nancy Barbour, USDA-Agricultural Research Service
3:15 PM
70-8
Reducing Nitrous Oxide Emissions from US Row Crop Agriculture through N Fertilizer Management
Neville Millar, Michigan State University; G. Philip Robertson, Michigan State University; Peter Grace, Queensland University of Technology; Ronald Gehl, North Carolina State University; K. Kahmark, Michigan State Univ.; S. Bohm, Michigan State Univ.; John Patrick Hoben, Michigan State Univ.
3:30 PM
Break
3:45 PM
70-9
Soil Carbon Sequestration and Nitrous Oxide Fluxes in Organic, NO-till and Chisel-till Cropping Systems in the Mid-Atlantic Region
Milutin Djurickovic, Beltsville Agricultural Research Center; Michel Cavigelli, Beltsville Agricultural Research Center; Gregory McCarty
4:00 PM
70-10
Nitrous Oxide Emissions across a Nitrogen Fertilizer Gradient in Production Scale Corn Fields
John Patrick Hoben, Michigan State University; Ronald Gehl, North Carolina State Univ.; G. Philip Robertson, Michigan State University; Neville Millar, Michigan State Univ.; Peter Grace, Queensland Univ. of Technology
4:15 PM
70-11
Economic Opportunities for Reducing Net Global Warming Potential in Irrigated Cropping Systems in Northeastern Colorado
David Archer, USDA-ARS, Northern Great Plains Res. Lab.; Ardell Halvorson, USDA-Agricultural Research Service
4:30 PM
70-12
Soil Aggregate Heterogeneity Improves Soil C Sequestration and Reduces Greenhouse Gas Emissions
Alvin Smucker, Michigan State Univ.; Wei Wang, Michigan State University; Alexandra Kravchenko, Michigan State University; Mark L. Rivers, Univ. of Chicago; Woo Jen Sul, Michigan State University
4:45 PM
70-13
Predicting Long-Term Soil Organic Matter Dynamics as Affected by Agricultural Management Using the CQESTR Model
Hero T. Gollany, ARS; Yi Liang, Univ. of Arkansas; Ron W. Rickman, ARS; Stephan Albrecht, ARS; Ronald Follett, USDA-Agricultural Research Service; Wally W. Wilhelm, ARS; Jeffrey Novak, ARS; Clyde L. Douglas Jr, ARS
5:00 PM
70-14
Daycent Model Estimates of Greenhouse Gas Mitigation Potential of Cropped Soils in the USA
Stephen Del Grosso, USDA-ARS; Stephen Ogle, Colorado State University; William Parton, Colorado State Univ.
5:15 PM
70-15
Field-level Estimation of Full GHG Impacts for Cropland, Grassland and Agroforestry
Keith Paustian, Colorado State University; Stephen Ogle, Colorado State University; Mark Easter, Colorado State University; Kendrick Killian, Colorado State University; Amy Swan, Colorado State University; Jorge Alvero-Fuentes, Colorado State University; Jill Schuler, USDA NRCS; Roel Vining, USDA NRCS; Miles Merwin, USDA NRCS
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