Manure produced in animal feeding operations is a source of fertilizer containing several essential nutrients that crops that crops rely on to grow — most notably nitrogen and phosphorus, which can contaminate streams and reservoirs if improperly managed. For producers who seek to decrease their dependency on commercial fertilizers, the article “Manure Phosphorus and Water Quality” reviews proper management of nutrient content of manure, and highlights the effects of phosphorus to surrounding bodies of water and solutions to decrease phosphorus contamination.

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