Crop prices have been declining and there is considerable uncertainty about the future. Phosphorus (P) and potassium (K) fertilizer prices have remained approximately constant or have declined slightly. Therefore, producers are thinking of reducing application rates.
Iowa State University
Mallarino, Antonio P., "Make Rational Decisions about Phosphorus and Potassium Management with Unfavorable Crop Prices" (2015). Integrated Crop Management News. 1492.
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