681 Symposium --Research Needs to Improve Soil Conservation Models

Oral Session
S06 Soil & Water Management & Conservation
Tuesday, 7 October 2008: 1:25 PM-3:45 PM
George R. Brown Convention Center, 361F

Presiding:
Brian Wienhold
1:25 PM
Introductory Remarks
1:30 PM
Vertical Distribution of Corn Stover Dry Mass.
Jane Johnson, USDA-ARS; W. W. Wilhelm, USDA-ARS; David Lightle, USDA-NRCS; Douglas Karlen, USDA-ARS; John Baker, USDA-ARS; Tyson Ochsner, USDA-ARS; Jeffrey Novak, USDA-ARS; Ardell Halvorson, USDA-ARS; David Archer, USDA-ARS, NGPRL; David Laird, USDA
1:45 PM
STEEP Impact Assessment: 30 years of Solutions To Environmental and Economic Problems.
Hans Kok, Univ. of Idaho; Robert Papendick, Retired; Keith E. Saxton, Retired USDA-ARS; Richard Koenig, Washington State Univ.; Donald Wysocki, Oregon State University; Dennis Roe, USDA-NRCS
2:00 PM
Contributions of Soil Archives to Understand Soil and Agroecosystem Change.
Mark Liebig, USDA-ARS; Gary Varvel, USDA-ARS; Kenneth Potter, USDA-ARS
2:15 PM
Better Descriptions of Residue Production in Perennial Systems to Improve RUSLE2.
Seth Dabney, USDA-ARS; Daniel Yoder, Univ. of Tennessee
2:30 PM
Break
2:45 PM
Nationally Coordinated Research to Predict Manure Nitrogen Availability.
C. Wayne Honeycutt, USDA-ARS; Timothy Griffin, Tufts Univ.; Ann-Marie Fortuna, Washington State Univ.; Brian Wienhold, USDA-ARS; Bryan Woodbury, USDA-ARS, U.S. Meat Animal Res. Center; Stephan Albrecht, USDA-ARS; Karamat Sistani, USDA-ARS; H. Allen Torbert, USDA-ARS; Robert Hubbard, USDA-ARS; J. Mark Powell, USDA-ARS; Zhongqi He, USDA-ARS
3:00 PM
Developing an N Management Assessment Tool.
Gary Hergert, Univ. of Nebraska; Douglas Beegle, Pennsylvania State Univ.; David Mengel, Kansas State Univ.; John Meisinger, USDA-ARS; James Schepers, USDA-ARS
3:15 PM
Lessons Learned Developing a Nitrogen Management Tool for Iowa.
Philip Heilman, USDA-ARS; Robert Malone, USDA-ARS, Natl. Soil Tilth Lab.; Liwang Ma, USDA-ARS
3:30 PM
Tradeoffs and Targets in Implementing Conservation Practices.
Mazdak Arabi, Colorado State University; Jessica Davis, Colorado State University
3:45 PM
Adjourn