Calculating Dairy Manure Nutrient Application Rates

Troy Downing and Maydra Valencia
EM 8768 | Revised April 2019

Summary

This publication describes how to calibrate waste-handling equipment and calculate nutrient application rates. It covers calibration of typical equipment found on dairies, such as stationary guns, traveling guns, liquid wagons, and solids spreaders. It uses nitrogen in the calibration examples, but the same techniques can be used with phosphorus.

About the authors

Maydra Valencia
Program Coordinator
Oregon State University

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