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Worksheet for Calculating Biosolids Application Rates in Agriculture

Biosolids are a byproduct of municipal wastewater treatment. Raw sewage solids must be processed to meet U.S. Environmental Protection Agency standards before they can be called biosolids. This worksheet provides step-by-step instructions for calculating an application rate of municipal biosolids, based on satisfying crop nitrogen need.

PNW 511    Revised September 2018    12 pages