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353 Physics, Chemistry, and Ecology of Seasonally Frozen Soils: I - Have We Ignored the Role of Winter and Spring on Soil Processes at Our Peril?



S03 Soil Biology & Biochemistry
Wednesday, October 19, 2011: 8:30 AM-11:05 AM
Henry Gonzalez Convention Center, Room 006B
Organizers:
Barbara J. Cade-Menun , Ymene Fouli , D. Keith Reid and Daryl Dagesse
Presiders:
Barbara J. Cade-Menun and Ymene Fouli
8:30 AM
Introductory Remarks
8:35 AM
353-1
Micro-Watershed Atlas of Canada.
Sanjay Gupta, Faculty of Agricultural, Life and Environmental Sciences, University of Alberta
Recorded Presentation Audio File
8:50 AM
353-2
Freeze Thaw Cycle Effects on Infiltration Rate and Bulk Density of Three Saskatchewan Soils.
Ymène Fouli, Agriculture and Agri-food Canada; Barbara J. Cade-Menun, Agriculture and Agri-Food Canada
9:05 AM
353-3
Sustainable Nutrient Management of In-Field Livestock Wintering Systems.
Dennis Haak, Agriculture and Agri-Food Canada; Dale Timmerman, Agriculture and Agri-Food Canada; Dennis Lastuka, Agriculture and Agri-Food Canada
Recorded Presentation Audio File
9:20 AM
353-4
Freezing Cycle Effects On Water Stability of Soil Aggregates.
Daryl F. Dagesse, Brock University
9:35 AM
353-5
Nutrient Loss In Snowmelt Runoff From Cattle Winter Bale-Grazing In SW Saskatchewan.
Barbara J. Cade-Menun, Agriculture and Agri-Food Canada; Brian McConkey, Agriculture and Agri-Food Canada; Alan Iwaasa, Agriculture and Agri-Food Canada; Bart Lardner, Western Beef Development Centre
9:50 AM
353-6
Effects of Decreased Snowpack On Nutrient Cycling In a Sagebrush-Steppe Ecosystem.
Tasha N. Prettyman, Utah State University; Aldo Compagnoni, Utah State University; Peter Adler, Utah State University; John Stark, Utah State University
Recorded Presentation Audio File
10:05 AM
Break
10:20 AM
353-7
Soil Conditions Affecting Emissions of Nitrous Oxide From Thawing Soil.
Mario Tenuta, University of Manitoba
Recorded Presentation Audio File
10:35 AM
353-8
Comparison of Simultaneous Soil Profile N2O Concentrations and Surface N2O Flux Measurements Overwinter and At Spring Thaw In An Agricultural Soil.
Neil Risk, University of Guelph; Claudia Wagner-Riddle, University of Guelph; Christian Blodau, University of Guelph; Jon Warland, University of Guelph
Recorded Presentation Audio File
10:50 AM
353-9
Crop Residues Influence Response of Soil N2o Emissions to Freeze-Thaw Cycles.
David Pelster, Agriculture and Agri-Food Canada; Martin Chantigny, Agriculture and Agri-Food Canada; Denis Angers, Agriculture and Agri-Food Canada; Philippe Rochette, Agriculture and Agri-Food Canada
11:05 AM
Adjourn
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