749 Nitrogen in Agricultural Systems - Monograph (Posters)

Poster Session
S04 Soil Fertility & Plant Nutrition
This session features posters on the different chapters of the upcoming monograph Nitrogen in Agricultural Systems.
Wednesday, 8 October 2008: 10:00 AM-12:00 PM
George R. Brown Convention Center, Exhibit Hall E

Poster #473
Origin and Distribution of Nitrogen in Soil.
Paul Voroney, University of Guelph; David D. Derry, University of Guelph
Poster #474
Forms of Inorganic Nitrogen.
Kevin Bronson, Texas A&M Univ., TexasAgriLife Res.
Poster #475
Ammonium, Ammonia, and Urea Reactions in Soils.
David Kissel, Univ. of Georgia; Sivapatham Paramasivam, Savannah State University; Miguel Cabrera, Univ. of Georgia
Poster #477
Gaseous Losses of Nitrogen Other Than Through Denitrification.
Dennis Francis, USDA-ARS; Merle Vigil, USDA-ARS; Arvin Mosier, University of Florida
Poster #478
Biological Denitrification.
Mark Coyne, University of Kentucky
Poster #479
Poster #480
Organic Forms of Soil Nitrogen.
Daniel Olk, USDA-ARS, National Soil Tilth Lab.
Poster #481
Nitrogen Availability.
Tim Griffin, USDA-ARS
Poster #482
Nitrogen from Animal Manures.
Douglas Beegle, Pennsylvania State Univ.; Keith Kelling, University of Wisconsin-Madison; Michael Schmitt, University of Minnesota
Poster #483
Nitrogen Mineralization and Immobilization: New Thoughts on Old Themes.
David Myrold, Oregon State Univ.; Peter Bottomley, Oregon State Univ.
Poster #484
Nitrogen Transformations in Submerged Soils.
Roland Buresh, Intl. Rice Res. Inst.; K. R. Reddy, Univ. of Florida; Chris van Kessel, Univ. of California, Davis
Poster #485
Recycling of Nitrogen through Land Application of Agricultural, Municipal, and Industrial By-products.
James Thomas Sims, Univ. of Delaware; Richard Stehouwer, Pennsylvania State Univ.
Poster #486
Crop Nitrogen Requirement and Fertilization.
John Meisinger, USDA-ARS; James Schepers, USDA-ARS; William Raun, Oklahoma State Univ.
Poster #487
Soil Nitrogen Budgets.
John Meisinger, USDA-ARS; Francisco Calderon, USDA-ARS; David Jenkinson, Rothamsted Experimental Station
Poster #488
Nitrogen Balances at Ecosystem, Landscape, Regional and Global Scales.
Peter Groffman, Cary Institute of Ecosystem Studies
Poster #489
Nitrogen Management for Improved Use Efficiency.
William Raun, Oklahoma State Univ.; James Schepers, USDA-ARS
Poster #490
Nitrogen Management to Protect Water Resources.
Gyles Randall, University of Minnesota; Jorge Delgado, USDA-ARS; James Schepers, USDA-ARS
Poster #492
Modeling of the Nitrogen Cycle.
Miguel Cabrera, Univ. of Georgia; Jean-Alex Molina, University of Minnesota; Merle Vigil, USDA-ARS
Poster #493
Economic Implicatons of Public Policies to Change Agricultural Nitrogen Use and Management.
Stan Daberkow, U.S. Dep. Agric.; Marc Ribaudo, U.S.DA-Economic Research Service; Otto Doering, Purdue University