149 Symposium--Development of Soil-Test Based Recommendations: Historical Perspectives, Current Issues and Future Directions

S08 Nutrient Management & Soil & Plant Analysis

Monday, October 17, 2011: 1:00 PM-4:55 PM

Henry Gonzalez Convention Center, Room 214C

Organizers:

Ann Wolf and Fabian G. Fernandez

Presiders:

Ann Wolf and Fabian G. Fernandez

1:00 PM

Introductory Remarks

1:05 PM

Using Soil Tests to Make Fertilizer Recommendations: A Historical Perspective.

David Mengel, Kansas State University

Recorded Presentation Audio File

1:30 PM

Variability of Soil Test Results: Implications for Fertilizer Recommendations.

David Franzen, North Dakota State University

Recorded Presentation Audio File

1:55 PM

Development of Soil Test Calibrations Using Precision Agriculture Technologies.

Antonio P. Mallarino, Iowa State University

Recorded Presentation Audio File

2:20 PM

Soil Test Interpretations and Recommendations for Environmental Risk Assessment.

Douglas Beegle, Pennsylvania State University

Recorded Presentation Audio File

2:45 PM

Break

3:00 PM

Soil Test Recommendations for Nutrient Management and Environmental Protection: What Do Policy Makers Need and Want?.

Jerrell Lemunyon, USDA-NRCS; William Kuenstler, USDA-NRCS; John Russell Davis, USDA-NRCS

Recorded Presentation Audio File

3:25 PM

Rethinking Recommendation Philosophies and Benefits to Regional Approaches for Soil Test Recommendations.

Brad Joern, Purdue University; Antonio Mallarino, Iowa State University; Carrie Laboski, University of Wisconsin-Madison; Fabian G. Fernandez, University of Illinois; James Camberato, Purdue University

Recorded Presentation Audio File

3:50 PM

Alternatives to Traditional Approaches for Fertilizer Recommendations.

Sylvie Brouder, Purdue University

Recorded Presentation Audio File

4:15 PM

Soil Test Calibration Research and Recommendations: Framing the Issues and Funding for the Future.

Paul E. Fixen, International Plant Nutrition Institute; T. Scott Murrell, International Plant Nutrition Institute

Recorded Presentation Audio File

4:40 PM

Discussion

4:55 PM

Adjourn

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