Schedule

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1989
Tuesday, December 19th

Advanced Corn Rootworm Management

Jon Tollefson, Iowa State University

Biological Weed Management

Robert Hartzler, Iowa State University

Calibration - Considerations for the Custom Applicator

Mark Hanna, Iowa State University

Climate Changes and Impacts on Midwest Crop Production

S. Elwynn Taylor, Iowa State University

Cooperative Extension Service On-Farm Demonstration Projects

Gerald Miller, Iowa State University

Corn Diseases

C. A. Matinson, Iowa State University

Corn Rootworm Management

Marlin E. Rice, Iowa State University

Effect of Enrvironmental Conditions on Weed/Herbicide Interactions

Micheal D. K. Owen, Iowa State University

Entomology Update

Marlin E. Rice, Iowa State University

European Corn Borer Management

William B. Showers, Iowa State University
M. Ellison Derrick, North Carolina State University

Fertilizer Placement in Tillage Systems

George Rehm, University of Minnesota

Fungicide Seed Treatments

Laura E. Sweets, Iowa State University

Herbicide Movement in Soils

Geoge F. Czapar, Iowa State University

Impact of Biotechnology on Crop Production, Protection, and Utilization

Walter R. Fehr, Iowa State University

Indices for Adjusting Fertilizer Nitrogen Rates

Alfred M. Blackmer, Iowa State University

Iowa Farmers' Practices and Opinions About Lisa

Paul Lasley, Iowa State University

ISU Perspective on Sustainable Agriculture

Michael Duffy, Iowa State University

Making Management Decisions for Pests: Past, Present, and Future Approaches

Leon G. Higley, University of Nebraska–Lincoln

Pesticide Management Areas and Use Restriction in Iowa

David E. Stoltenberg, Iowa State University

Plant Pathology Update

Laura E. Sweets, Iowa State University

Pod Test for Phomopsis Seed Decay of Soybean

Denis C. McGee, Iowa State University

Rapid Diagnostic Kits for Plant Diseases

Laura E. Sweets, Iowa State University

Soil Tilth and Sustainable Agriculture

J. L. Hatfield, U.S. Department of Agriculture

Some Studies on the Use of ACA on Corn

I. C. Anderson, Iowa State University

Soybean Cyst Nematode

Laura E. Sweets, Iowa State University

Sustainable Agriculture: A National Perspective

John E. Ikerd, University of Missouri

The Leopold Center for Sustainable Agriculture: An Overview

Dennis R. Keeney, Iowa State University

The Value of Weed Control in Alfalfa

Brian J. Lang, Iowa State University

Tillage and Weed Management

Micheal D. K. Owen, Iowa State University

Water Quality Monitoring- What Is Being Detected?

David E. Stoltenberg, Iowa State University

Weed Science Update 1990

Micheal D. K. Owen, Iowa State University

Weed Thresholds

Harold D. Coble, North Carolina State University