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1991
Wednesday, December 4th

A Perspective on the 1991 Iowa Crop

Garren O. Benson, Iowa State University

Adult Corn Rootworm Suppression to Prevent Oviposition

Jon Tollefson, Iowa State University

Aglime for Corn and Soybean Production

Regis Voss, Iowa State University

Approaches to Transferring Sustainable Agriculture Research

Richard Pirog, Iowa State University

Balancing Corn Yield Goals and N Fertilization Rates

D. L. Karlen, U.S. Department of Agriculture
L. A. Kramer, U.S. Department of Agriculture

Band Injection of Herbicides for Reducing Environmental Losses

Steven K. Mickelson, Iowa State University

Controlling Corn Diseases

C. A. Martinson, Iowa State University

Corn Fermentation By-Products: Properties and Uses

Stanley J. Henning, Iowa State University

Corn Rootworm Management- Reduced Insecticide Rates and Extended Diapause

Marlin E. Rice, Iowa State University

Do One Year's Seeds Really Make Seven Year's Weeds?

Robert G. Hartzler, Iowa State University

Economic Situation for Iowa Farmers

Michael Duffy, Iowa State University

Factors Affecting Agricultural Chemical Losses to Surface and Ground Water Resources

J. L. Baker, Iowa State University
J. L. Hatfield, U.S. Department of Agriculture

Field Crop Insects- Research Results and Management Recommendations

Marlin E. Rice, Iowa State University

Herbicide Resistance

Micheal D. K. Owen, Iowa State University

Impact of Tillage, Crop Rotation, and Chemical Management Practices on Groundwater Quality

Rameshwar S. Kanwar, Iowa State University

Lavarty Elevator, Inc. Complete Calibration Service Program

Michael L. White, Laverty Elevator, Inc.

NebraskaHERB: A Bio-Economic Model for Weed Management

David A. Mortensen, University of Nebraska–Lincoln
Alex R. Martin, University of Nebraska–Lincoln
Fred W. Roeth, University of Nebraska

Old and New Weed Management Practices in Alfalfa

Jerry Doll, University of Wisconsin–Madison

Prescription Farming Based on Soil Property Sensors

Larry D. Gaultney, Purdue University

Reduced Herbicide Rates- The Wisconsin Experience

Jerry Doll, University of Wisconsin–Madison
Thomas Mulder, University of Wisconsin–Madison

Root Protection and Reduced Rates of Soil Insecticides: Results from Illinois On-Farm Studies and University Experiments

Michael E. Gray, University of Illinois at Urbana-Champaign
Kevin L. Steffey, University of Illinois at Urbana-Champaign
Hassan Oloumi-Sadeghi, Illinois Natural History Survey

Seed Quality Evaluation Methods

Tim J. Gutormson, Iowa State University

Soil Compaction Research Summary

Stewart W. Melvin, Iowa State University
Donald C. Erbach, U.S. Department of Agriculture

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

Soybean Residual Effects on a Following Corn Crop

Richard M. Shibles, Iowa State University
Irvin C. Anderson, Iowa State University
Edgar S. Escuro, Iowa State University

Survey of Adult Corn Rootworm Populations in Rotated Cornfields and Relationship to Larval Damage to the Subsequent Corn Crop

Jon Tollefson, Iowa State University
David Baker, Iowa State University
Jim Rouse, Iowa State University
James Oleson, Iowa State University

"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 of Sensing Devices in Herbicide Application: Present and Future

David A. Mortensen, University of Nebraska–Lincoln

Variable Rate Fertilization- Can the Technology Pay for Itself?

Michael Schmitt, University of Minnesota
Dean Fairchild, Agri-Information Services, Inc.

Weed Seed Dormancy and Germination

Micheal D. K. Owen, Iowa State University

Wheat

Wayne R. Hansen, Iowa State University