188 Symposium--Strengths and Limitations of Methods, Tests and Models for Making Nitrogen Recommendations for Corn and a Framework for Improving Recommendations

Oral Session
ASA Section: Agronomic Production Systems This session will provide a concise summary of the strengths and limitations of current nitrogen recommendations methods, tests and models for corn. The presentations will emphasize prediction of nitrogen fertilizer needs for individual corn fields. Our goal is to present the latest research and thinking about the capability of nitrogen recommendations to predict the nitrogen needs for corn.


Adaptive Nutrient Management Community
Tuesday, October 23, 2012: 7:55 AM-12:00 PM
Duke Energy Convention Center, Room 207, Level 2

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Community Leader:
Thomas Morris
Thomas Morris
8:10 AM
Stanford's Equation As a Framework for Making Nitrogen Recommendations and for Improving Nitrogen Recommendations.
Douglas Beegle, The Pennsylvania State University; T. Scott Murrell, International Plant Nutrition Institute Americas Group
8:30 AM
Yield Target Approaches to Nitrogen Recommendations for Corn.
James J. Camberato, Purdue University; Richard Ferguson, University of Nebraska - Lincoln; John Grove, University of Kentucky
8:50 AM
Soil Tests for Nitrogen Recommendations for Corn.
Quirine Ketterings, Cornell University; John Spargo, Univ. of Massachusetts; John Meisinger, USDA-ARS
9:10 AM
Plant Tissue Tests and Use of Sensors for Nitrogen Recommendations for Corn.
Peter Scharf, University of Missouri; Joshua McGrath, University of Maryland
9:30 AM
Maximum Return to Nitrogen (MRTN) Method for Nitrogen Recommendations for Corn.
John E. Sawyer, Iowa State University; Carrie Laboski, University of Wisconsin; Emerson Nafziger, University of Illinois-Urbana-Champaign
9:50 AM
10:00 AM
10:15 AM
10:35 AM
Adaptive Management As a Process to Improve Nitrogen Recommendations for Corn.
Thomas Morris, University of Connecticut; Walter Smith, University of Connecticut
11:20 AM
Panel Discussion: Field Experience with Nitrogen Applications for Individual Corn Fields.
Joel Nester, Nester Ag LLC; Daniel Schaefer, Illini FS, Inc.
12:00 PM