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New Study on Weeds and Yield Loss in Dry Beans

The Weed Science Society of America completed a study on the impact of weed control on dry beans grown in the U.S. and Canada. Dry bean data was collected for a ten year period between 2007 and 2016. Researchers found that 71 percent of the crop would be lost if weeds were left uncontrolled, resulting in a cost to growers of about $722 million annually. The most troublesome weeds include common lambsquarters and kochia, as well as species of pigweed and nightshade.
 
Further data from the WSSA crop-loss study is available here.