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1992
Thursday, December 3rd

1992- Another Unusual Crop Season

Garren O. Benson, Iowa State University

Agricultural Contribution of Nitrate-N to the Des Moines River: 1945 vs. 1980

Dennis R. Keeney, Iowa State University
Thomas H. DeLuca, Iowa State University

Application of Chromosome Maps to Soybean Improvements

Lisa Lorenzen, Iowa State University
Randy Shoemaker, Iowa State University
Sam Boutin, University of Minnesota
Nevin Young, University of Minnesota

Beneficial Microorganisms in Low-Input Agriculture

Thomas E. Loynachan, Iowa State University

Common Corn Diseases

C. A. Martinson, Iowa State University

Crop Residue Management- Part of Farming in the Future

Jeffrey J. Zimprich, U.S. Department of Agriculture

Digital Soil Maps for Iowa

Gerald A. Miller, Iowa State University
Robert C. Mortensen, Iowa State University

Disease.Pro: A Computerized Disease Assessment Training Program

Forrest W. Nutter, Iowa State University

Economic Comparison of Biological Control and Insecticidal Control of the European Corn Borer

David B. Orr, Iowa State University
Leslie C. Lewis, Iowa State University
John J. Obrycki, Iowa State University
Marlin E. Rice, Iowa State University

Effect of N Rate and Time of Application on Corn Grain Yield and N Recovery

Randy Killom, Iowa State University
Regis Voss, Iowa State University
Joyce Hornstein, Iowa State University

European Corn Borer: Pest Management by Integrating Scouting Computer Software, and Insecticides

Marlin E. Rice, Iowa State University

Evaluating Weed Management Programs for the Development of Herbicide Resistance

Bob Hartzler, Iowa State University

Factors Affecting Postemergence Herbicide Activity

Bob Hartzler, Iowa State University

Fall vs Spring Application of Nitrogen

Gyles W. Randall, University of Minnesota

Improving Soybean Profits with Management

Edward S. Oplinger, University of Wisconsin–Madison

Phosphorus and Potassium Fertilization of Corn and Soybean

Antonio P. Mallarino, Iowa State University

Reducing Pesticide Movement to Surface Water

Margaret A. Smith, Iowa State University

Refinement of Rootworm Thresholds for New, Commercially-Available Sticky Traps

Jon J. Tollefson, Iowa State University

Residue Management with Chisel-Type Implements

Richard Johnson, Deere & Company

Seed Quality Evaluation Methods

Tim J. Gutormson, Iowa State University

Soybean Cyst Nematode- Biology and Management

Gregory L. Tylka, Iowa State University

Soybean Cyst Nematode- Identification and Extraction Techniques

Gregory L. Tylka, Iowa State University

Spray-Wind-Inversion

S. Elwynn Taylor, Iowa State University

Subsurface Flow Barriers to Reduce Nitrate Leaching

R. Horton, Iowa State University
T. C. Kaspar, U.S.D.A.
J. L. Baker, Iowa State University
M. Kiuchi, U.S.D.A.

The Insects of 1992: A Review of Problems and Management Strategies

Marlin E. Rice, Iowa State University

The Research Basis for Wisconsin's Legume Nitrogen Credits

K. A. Kelling, University of Wisconsin–Madison
L. G. Bundy, University of Wisconsin–Madison
R. P. Wolkowski, University of Wisconsin–Madison

"The Right Stuff", Farming by Location

Tom Colvin, U.S. Department of Agriculture
Jack Ambuel, U.S. Department of Agriculture
Kandiah Jeyapalan, Iowa State University

The Role and Responsibility of the Agricultural Professional in Promoting Farmers' Safety and Health

C. J. Lehtola, University of Iowa

Theory and Practice: Weed Management In No Tillage Soybeans

Micheal D. K. Owen, Iowa State University

Tillage Equipment Adjustment for Surface Residue

Mark Hanna, Iowa State University

Understanding and Reducing Pesticide Losses

James Baker, Iowa State University
Ed Adcock, Iowa State University
Gerald Miller, Iowa State University

Waste Corn as a Source of Inoculum of Aspergillus Flavus, the Cause of Aflatoxin

D. C. McGee, Iowa State University
O. M. Olanya, Iowa State University
L. H. Tiffany, Iowa State University

What is the Best Soybean Row Width? A U.S. Perspective

Richard Johnson, Deere & Company
D. E. Green, Deere & Company
C. W. Jordan, Deere & Company

What's With the Weather?

S. Elwynn Taylor, Iowa State University