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Water pollution / Water / Natural environment / Environmental science / Environmental chemistry / Aquatic ecology / Environmental soil science / Agricultural soil science / Nutrient management / Surface runoff / Eutrophication / Fertilizer


Policy Analysis Natural Background Concentrations of Nutrients in Streams and Rivers of the Conterminous United States Richard A. Smith, Richard B. Alexander, and Gregory E. Schwarz Environ. Sci. Technol., 2003, 37 (14)
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Document Date: 2013-02-05 15:38:51


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