Session: Symposium--Practices That Improve Fertilizer Use Efficiency and Reduce Nutrient Losses - Nitrogen (ASA, CSSA and SSSA International Annual Meetings)

278 Symposium--Practices That Improve Fertilizer Use Efficiency and Reduce Nutrient Losses - Nitrogen

Oral Session

SSSA Division: Soil Fertility & Plant Nutrition

Management practices that improve N use efficiency and reduce N export

Cosponsor(s):

Nutrient Management & Soil & Plant Analysis
Nutrients and Environmental Quality Community

Tuesday, November 5, 2013: 8:00 AM-11:50 AM

Marriott Tampa Waterside, Florida Salon IV

Organizer:

Kevin F. Bronson

Moderator:

Clain A. Jones

8:00 AM

Introductory Remarks

8:05 AM

278-1

Nitrogen Use Efficiency, Yield, and Water Quality in Midwest Tile-Drained Landscapes.
Dan B. Jaynes, USDA-ARS National Laboratory for Agriculture and the Environment

Recorded Presentation

8:35 AM

278-2

Use of a Nitrogen Index With Broad National and International Applicability to Increase Nitrogen Use Efficiency.
Jorge A. Delgado, USDA-ARS

9:05 AM

278-3

Opportunities and Challenges of Maximizing Nitrogen Use Efficiency.
Chris van Kessel, University of California-Davis; Bruce Linquist, University of California-Davis

9:35 AM

278-4

Extremes for Increasing Nitrogen Use Efficiency: Maize Planter for Marginal Landscapes in Developing Countries and Optical Sensors for Variable Rate Technology.
William R. Raun, Oklahoma State University; Randy Taylor, Oklahoma State University; D. Brian Brian Arnall, Oklahoma State University

10:05 AM

Break

10:20 AM

278-5

Improving Fertilizer N Recovery and Mitigating NH3 Volatilization From Surface-Urea Applications in a Semiarid Climate.
Richard E. Engel, Montana State University; Clain A. Jones, Montana State University; Rosie Wallander, Montana State University

10:50 AM

278-6

Nitrogen Management for Improved Nitrogen Use Efficiency in Dryland Cropping Systems.
Cynthia A Grant, Agriculture & Agri-Food Canada; Thomas W. Bruulsema, International Plant Nutrition Institute

11:20 AM

278-7

Fate of Nitrogen Fertilizer in Surface-Irrigated Cotton: Fertigation Vs. Knifing.
Kevin F. Bronson, USDA-ARS; Jarai Mon, USDA-ARS; Douglas Hunsaker, USDA-ARS; Eduardo Bautista, USDA-ARS; Kelly R. Thorp, USDA-ARS; Andrew N. French, USDA-ARS; Jeffrey W. White, USDA-ARS; Pedro Andrade-Sanchez, University of Arizona

11:35 AM

278-8

Simple, Effective Predictors of Nitrogen Need for Corn Following Alfalfa.
Matt A. Yost, Utah State University; Michael P. Russelle, USDA-ARS; Jeffrey A. Coulter, University of Minnesota

11:50 AM

Adjourn

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