The Extension services of Ohio State University, Purdue University and the University of Illinois have partnered to publish an updated weed control guide to aid crop farmers in choosing an effective weed management plan.

The free 2015 Ohio, Indiana and Illinois Weed Control Guide is a quick reference farmers can use in the field to identify and manage weeds. It offers specific tips for several individual crops such as corn, soybeans, popcorn, sweet corn, small greens, forages and grazing pastures.

The new guide includes expanded sections on Palmer amaranth and marestail as well as an updated index of herbicides. There is also a weed response table which Bill Johnson, a Purdue weed scientist, said will be especially helpful to farmers during preparation for planting season.

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