The cutoff date for applications of dicamba herbicides on soybeans in Iowa and two other states is being moved up to June 12 under new restrictions announced last week by the Environmental Protection Agency (EPA).  

The revised labels for XtendiMax, Engenia and Tavium herbicides are being issued in an effort to curb off-target damage to non-dicamba tolerant soybeans and other susceptible crops. The labels will now prohibit applications on dicamba-tolerant...