I have been reluctant to provide estimates of soybean acres damaged from dicamba applied to Xtend soybean due to the difficulty in developing a realistic number of affected acres. While there has been a significant number of acres damaged by dicamba, I am sure it is less than five percent of Iowa’s nearly 10 million soybean acres. Due to this relatively small number of acres affected (in relation to total soybean acres), dicamba injury will not significantly impact Iowa’s productivity in 2018. However, if you are a farmer whose crop has been damaged by dicamba, the fact that the majority of soybean in the state were not affected is of little consolation.
Iowa State University
Hartzler, Robert G., "Dicamba 2018 - The Iowa Experience" (2018). Integrated Crop Management News. 2507.
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