785 Nitrogen Release from Soil and Soil Amendments

Oral Session
S04 Soil Fertility & Plant Nutrition
Papers in this session deal with nitrogen mineralization from manures and residues, and nitrogen release from fertilizers.
Thursday, 9 October 2008: 8:25 AM-11:15 AM
George R. Brown Convention Center, 371F

Merle Vigil
8:25 AM
Introductory Remarks
8:30 AM
Nitrogen Availability from Pelleted Poultry Manure in an Alfisol.
Morteza Mozaffari, Univ. of Arkansas; Nathan Slaton, Univ. of Arkansas; Cindy Herron, University of Arkansas Soil Testing and Research Laboratory
8:45 AM
N Mineralization of Dairy Manure from Anaerobic Storage Ponds.
Aaron Heinrich, University of California; G. Stuart Pettygrove, University of California
9:00 AM
Accuracy of the Predicted Fertilizer N Equivalence of Manure Slurry.
Michael Russelle, USDA-ARS; Kevin Blanchet, University of Minnesota; Gyles Randall, University of Minnesota; Leslie Everett, University of Minnesota
9:15 AM
Monitoring Nitrogen Availability in Organic Potato Production.
John McQueen, Oregon State University; Dan Sullivan, Oregon State University; Donald Horneck, Oregon State Univ.
9:30 AM
Soil Organic C and Fertilizer N: What Relationship When Not Confounded?.
John Grove, Univ. of Kentucky; Eugenia Pena-Yewtukhiw, 1104 Agricultural Sciences Building; Martin Diaz-Zorita, Faculty of Agronomy; R.L. Blevins, 105 Plant Science Building
10:00 AM
10:15 AM
ESN as a Fall Nitrogen Source for Corn.
Edwin Lentz, Ohio State Univ., OARDC; Robert Mullen, Ohio State University - OARDC
10:30 AM
Rice Yields and Nitrogen Cycling Enhanced Using Novel Dual-purpose Cowpea-NERICA Ecotechnology in Degraded-savanna Upland Ecosystems.
Sylvester Oikeh, Africa Rice Center (WARDA); Abibou Niang, Africa Rice Center (WARDA); Robert Abaidoo, International Institute of Tropical Agriculture; Pascal Houngnandan, Université d'Abomey-Calavi (FSA/UAC); Amadou Toure, Africa Rice Center (WARDA); Mariame Mariko, Africa Rice Center (WARDA)
10:45 AM
Crop Productivity Response on Sandy Soils of Senegal Amended with Native Shrub Residues.
E. Dossa, ISRA; I. Diedhiou, Univesity of Thies; M. Khouma, UNDP; Modou Sène, Inst. Sénégalais de Recherches Agrocoles; A. Badiane, USAID; S.A.N. Samba, ISRA; F. Kizito, Central Valley Regional Water Control Board; S. Diedhiou, Oregon State University; Linda K. Dick, Ohio State Univ.
11:00 AM
Comparison of Greenhouse Gas Emissions from Composted and Liquid Swine Manure Management Systems.
Kumudinie Kariyapperuma A., University of Guelph; Kyu-Hyun Park, National Institute of Animal Science; Adriana C. Furon, University of Guelph; Claudia Wagner-Riddle, University of Guelph
11:15 AM