February 4, 2020 9:01 am

In pursuit of maximum yields in two-year corn-soy rotations, some farmers are now applying phosphorus (P) fertilizer every year. A 10-year study by University of Minnesota scientists that ended in 2018 says that practice is likely unnecessary. Instead, farmers only need to apply P fertilizer the fall or spring before corn in order to maximize yields for both crops. Read more.

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