Special acknowledgment and thanks are due to the following for their support of the 1998 Weed Science Research Program, Department of Agronomy, Iowa State University:

• Iowa State University Extension
• Iowa State University Agricultural Experiment Station
• AgrEvo USA Company
• American Cyanamid Company
• Asgrow Seed Company
• BASF Corporation
• Bayer Corporation
• Committee for Agricultural Development
• DeKalb Seed Company
• Dow AgroSciences
• E.I. Dupont de Nemours and Company
• FMC Corporation
• Garst Seed Company
• Midwest Valley/Loveland Industries
• Monsanto Chemical Company
• Novartis
• Pioneer Hybrid International
• Rhone-Poulenc Chemical Company
• Spraying Systems Company
• Terra Industries, Inc.
• United Agri Products
• Valent USA Corporation
• WilFarm L.L.C.
• Zeneca Agricultural Products

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Iowa State University Research Foundation, Inc.
all rights reserved