Nitrogen (N) fertilizer prices have been high the past few years, and continue to be this fall. Additionally, other fertilizer products have increased in price, with supply shortages of potassium (K) fertilizer possible. Why is this occurring? Several factors are interacting to influence both supply and price. These include high natural gas price (main feedstock for manufacture of N fertilizer), closure of about one-quarter of the U.S.
Iowa State University
Sawyer, John E., "High prices and tight supply make fertilization decisions tough" (2004). Integrated Crop Management News. 1552.
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