The end of the optimal time for corn planting is quickly approaching. Getting corn planted should be a priority over making nitrogen (N) fertilizer applications. However, along with that decision there should be a plan to get N applications completed after planting and crop emergence. Switching products and application from preplant to sidedress requires availability of needed fertilizers and equipment. So have a plan in place.
Iowa State University
Sawyer, John E., "Apply Nitrogen or Plant Corn?" (2013). Integrated Crop Management News. 76.
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