Slow planting progress this spring has led to all efforts being focused on getting the crop in the ground. Often the first operation thrown to the wayside is application of preemergence herbicides in soybean. A decade ago this practice could be successful, but with widespread multiple herbicide resistance it either sets up an imminent control failure or contributes to further evolution of herbicide resistance.
Iowa State University
Hartzler, Robert G., "Can You Afford to Skip the Residual?" (2014). Integrated Crop Management News. 840.
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