In this Crop Minute, Bob Hartzler, ISU Extension weed scientist, says now that corn has been sprayed with post-emerge herbicide, it is time to turn attention to soybeans. Water hemp and giant ragweed are two species that soybean producers need to keep an eye on as they spread rapidly and have shown resistance to glyphosate.
This article was published originally on 6/9/2010 The information contained within the article may or may not be up to date depending on when you are accessing the information.
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