Wednesday, November 7, 2007: 9:25 AM
Convention Center, Room 216, Second Floor
262: Symposium--Scientific Advances in Crop Rotation Research During the Last Century: Where Do We Go from Here?: II/Div. C03 Business Meeting
Sponsor:C03 Crop Ecology, Management & Quality
Cosponsors:A08 Integrated Agricultural Systems; S06 Soil & Water Management & Conservation
Presidings:Tony J. Vyn, Purdue Univ
Joseph Lauer, University of Wisconsin
9:25 AMIntroductory Remarks
9:30 AMA Retrospective on Crop Rotation Research during the Last Century - What Have We Learned?.
Joseph G. Lauer, University of Wisconsin
10:00 AMSustainable Crop Production, Rotations or Monoculture: Some Results from Long-Term Experiments at Rothamsted.
A.E. Johnny Johnston, Rothamsted Research
10:30 AMCrop Rotation Studies on the Canadian Prairies.
Martin Entz, University of Manitoba, Guy Lafond, Agriculture and Agri-Food Canada, Henry Janzen, Agriculture and Agri-Food Canada
11:00 AMTillage System Impacts on Crop and Soil Responses to Crop Rotations: The View from Long-Term Experiments.
Tony J. Vyn, Purdue Univ, Joseph G. Lauer, University of Wisconsin, Warren Dick, Ohio State University - OARDC, Glover Triplett, Mississippi State University
11:30 AMLunch
1:00 PMCarbon Sequestration and Global Warming Potential of Continuous Corn and Corn/soybean Rotations Reconsidered.
Daniel T. Walters, University of Nebraska, Shashi Verma, University of Nebraska-Lincoln, Achim Dobermann, University of Nebraska-Lincoln, Kenneth G. Cassman, University of Nebraska, Daniel Ginting, USGS, A.E. Suyker, Univ. of Nebraska, Haishun Yang, University of Nebraska-Lincoln, M.A.A. Adviento-Borbe, Pennsylvania State University
1:30 PMWhen Does Corn Following Corn Become "Continuous", and Do Insects Notice?.
Emerson D. Nafziger, University of Illinois, Kevin L. Steffey, University of Illinois
2:00 PMThe Natural Benefits of Crop Rotations and the Costs of Disallowing Them in the 21st Century.
R. Kent Crookston, Brigham Young University
2:30 PMDiscussion
2:45 PMDiv. C03 Business Meeting
4:00 PMAdjourn
Cosponsors:A08 Integrated Agricultural Systems; S06 Soil & Water Management & Conservation

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