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1999
Thursday, December 2nd

1998 Iowa Cropping Practices

Michael Duffy, Iowa State University
Matthew Ernst, Iowa State University

Agriculture in the Twenty-First Century

Neil E. Harl, Iowa State University

Alternatives for P and K Management: A Role for Deep Banding and Starter?

Antonio P. Mallarino, Iowa State University

Bean Leaf Beetle Biology and Management

Rayda K. Krell, Iowa State University
Larry P. Pedigo, Iowa State University

Biology and Management of Corn Anthracnose

Gary C. Bergstrom, Cornell University

Biology and Management of Soybean Diseases Increasing in Importance to Iowa Soybean Production

X. B. Yang, Iowa State University

Crop Rotation Effects on N03-N Leaching and Corn Yields Under Manure Management Practices

R. S. Kanwar, Iowa State University
D. L. Karlen, U.S. Department of Agriculture
C. A. Cambardella, U.S. Department of Agriculture
C. Pederson, Iowa State University

Emergence Patterns of Annual Weeds of Corn and Soybean

Douglas D. Buhler, Iowa State University
Robert G. Hartzler, Iowa State University
Lowell D. Sandell, Iowa State University

Equipment Effects on Anhydrous Ammonia Application

H. Mark Hanna, Iowa State University
Michael L. White, Iowa State University

Estimating the Accuracy and Precision of Nitrogen Management During Corn Production

Kip Balkcom, Iowa State University
Alfred M. Blackmer, Iowa State University
Nanchang Yang, Iowa State University

Evolution of the Demand for Non-GMO Corn and Soybeans

Robert N. Wisner, Iowa State University

Factors Influencing Crop Tolerance to Herbicides

Chris Boerboom, University of Wisconsin–Madison

Fertilization to Rescue Corn Crops Following Losses of Fall Nitrogen

Jason Ellsworth, Iowa State University
Kip Balkcom, Iowa State University
Alfred M. Blackmer, Iowa State University

Genetically Modified Crops: Guidelines for Producers

Neil E. Harl, Iowa State University

Highlights of the 1999 Growing Season

Dale E. Farnham, Iowa State University

Integrated Crop Management for Alfalfa

Stephen K. Barnhart, Iowa State University

Integrated Crop Management Services Selling Advice for Profit

Susan Brown, Iowa State University
Dan Frieberg, Northwest Iowa Agribusiness ICM Project
Joel DeJong, Iowa State University
Paul Kassel, Iowa State University
Kevin Kuhn, Northwest Iowa Agribusiness ICM Project

Making Every Fertilizer Dollar Pay

John E. Sawyer, Iowa State University

Management Practices for Improved Soybean Profits

John P. Lundvall, Iowa State University

Managing Manure Phosphorus

Bahman Eghball, University of Nebraska
Brian J. Wienhold, U.S. Department of Agriculture
John E. Gilley, U.S. Department of Agriculture

Managing Phosphorus: Agronomic and Environmental Concerns

Regis Voss, Iowa State University

Manure Educational Programs in Iowa: Current Programs and Future Needs

Jim Johnson, Iowa State University
Angela Rieck-Hinz, Iowa State University
Gerald Miller, Iowa State University

New Solutions in Con Rootworm Control

Jon Tollefson, Iowa State University

Northern Corn Rootworm Damage in First-Year Corn: A Review of the Situation in Iowa

Marlin E. Rice, Iowa State University
Jon Tollefson, Iowa State University

Occurrence and Impact of Corn Diseases in 1999

Gary P. Munkvold, Iowa State University

Phosphorus and Surface Water Quality

James L. Baker, Iowa State University

Soil Phosphorus Testing for Crop Production and Environmental Purposes

Antonio Mallarino, Iowa State University

Solid Manure Application: Toward a Sophisticated Spreader

Tom L. Richard, Iowa State University
Mark Hanna, Iowa State University

Soybean Cyst Nematode - Biology and Management

Gregory L. Tylka, Iowa State University

Spatial Weed Distribution: Can It Be Used to Improve Weed Management

Bob Hartzler, Iowa State University

Sprayer Nozzle Selection for Pesticide Performance and Drift Reduction

Brent A. Pringnitz, Iowa State University

Targeting the Premium Market: Organic Crops for Iowa

K. Delate, Iowa State University
James Boes, Heartland Organic Marketing Cooperative
Robert Turnball, Only Organics, LLC

Temperature and Drought Influence on Soybean Yield, Composition, and Seed Quality

Lance R. Gibson, Iowa State University
Russell E. Martin, Iowa State University

Testing and Handling GMO and Non-GMO Grains

Charles R. Hurburgh Jr., Iowa State University

The Iowa Grain Quality Initiative

Darren Jarboe, Iowa State University
Charles Hurburgh Jr., Iowa State University

The Pesticide Decision Tool: A Field-Level Approach to Integrating Envionmental Factors in Pesticide Decision Making

John Vickery, Iowa State University

The Role of Bt Hybrids In Stalk Rot Management

Emily W. Gatch, Iowa State University
Gary P. Munkvold, Iowa State University

Update on Major Genetic Food Developments Since September 15

Robert N. Wisner, Iowa State University

Variability of Soil and Landscape Properties Related to Precision Agriculture

Thomas E. Fenton, Iowa State University

Weed Management Update for the Next Millenium

Micheal D. K. Owen, Iowa State University

Weed Sensing - Where Are We?

Brian L. Steward, Iowa State University

Western Corn Rootworm in Soybeans: Is an Adjustment in the Economic Threshold Necessary?

Susan Ratcliffe, University of Illinois
Michael Gray, University of Illinois
Matthew O'Neal, Michigan State University
Kevin Steffey, University of Illinois

What Does the Late-Spring Soil Test Really Measure?

Alfred M. Blackmer, Iowa State University
Nanchang Yang, Iowa State University
David Hansen, Iowa State University