Increasing demand for corn grain to meet ethanol production in Iowa has spurred interest in growing more corn following corn. What is the nitrogen (N) fertilization rate for continuous corn (CC), how does it compare to rates with corn following soybean (SC), and what rates are needed for second- (CCS) or third-year corn (CCCS) in rotation with soybean?
Iowa State University
Sawyer, John E., "Nitrogen fertilization for corn following corn" (2007). Integrated Crop Management News. 1167.
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