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United States Department of Agriculture

Agricultural Research Service

Agricultural Phosphorus and Eutrophication

Medium blue cover, montage of three watershed photos: Click here to view publication online (pdf file).

Agricultural Phosphorus
and Eutrophication
Second Edition

by A.N. Sharpley, T. Daniel, T. Sims, J. Lemunyon, R. Stevens, and R. Parry

Inputs of phosphorus (P) are essential for profitable crop and livestock agriculture. But P export in watershed runoff can accelerate the eutrophication--aging of a body of water--of receiving fresh waters. Increased P use has created regional imbalances in feed and fertilizer and P output in farm produce, and soil P is now in excess of crop needs. This publication provides solutions on how to reduce P losses and increase P use efficiency. Color, 44 pages.

U.S. Department of Agriculture, Agricultural Research Service, ARS 149

September 2003

While supplies last, you may order one free copy by e-mail or by writing Andrew Sharpley, USDA-ARS, Pasture Systems & Watershed Management Research Unit, Curtin Road, University Park, PA 16802-3702.

Specify that you're ordering Agricultural Phosphorus and Eutrophication, Second Edition, and give your complete mailing address, including postal code.

Click here to view publication online (pdf file) using Adobe Acrobat Reader (432 KB).

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Last Modified: 12/9/2013
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