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In the states with corn, soybeans, small grains and sugarbeets as major crops, herbicides are applied to more than 97% of crop acreage (NASS, 2001). Although herbicides are applied to increase profitability, incorrect usage can have negative economic and environmental impacts. Emergence of new herbicide-resistant weed species and ground and surface water pollution are concerns that are effecting policies and decisions regarding herbicide use. Ideal weed management that would minimize these undesirable consequences and remain economically sustainable involves a well-rounded approach. Tillage, site-specific herbicide rates, herbicide rotation, and crop rotation are just some of the variables that producers today factor into their weed management. The University of Minnesota has been a trusted source of non-biased, research-based herbicide and weed management information for well over a century. Minnesota producers place value on their relationship with the University of Minnesota Extension Service.
This web site contains research reports, publications, and other information pertaining to weed research conducted at the University of Minnesota. Most information may be downloaded as PDF files. Follow the link below to obtain Acrobat Reader.