ANKENY, Iowa — The Iowa Soybean Assoc. (ISA) and Iowa State University have developed a new resource to help soybean growers recognize and manage weed problems.

The Weed Identification Field Guide includes images and descriptions of 56 broadleaf weeds and 19 grass and grass-like weeds. The 104 page booklet includes tools to aid in accurate weed identification as well as lifecycle and herbicide management and stewardship information. It includes detailed diagrams, including 24 illustrations, and more than 250 high-quality photographs of weeds common to Iowa.

Starting in early September, the guides will be available on the ISU Extension Publications Online Store at www.extension.iastate.edu/store or by contacting the ISU Extension Publications Distribution Center at 119 Printing and Publications Building, ISU, Ames, Iowa 50011-3171; by calling 515-294-5247; or by e-mailing pubdist@iastate.edu