Weeds have continued to grow thus making the application of POST herbicides imperative despite the slow development of the corn crop. However, it is also important to follow the size restrictions that exist on the herbicide label, particularly given that corn is under stress due to the poor growing conditions.
Iowa State University
Owen, Michael D. and Hartzler, Robert G., "Corn Size Restriction for POST Herbicides" (2008). Integrated Crop Management News. 914.
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