The Nutrient Sources screen is where you will enter manure and fertilizer data. There are five tabs in this section: Nutrient Sources, Manure Analysis, Manure Production Estimator, Animal Units Calculator, and Grazing Herd Setup. To learn more go to Using the Nutrient Sources Screen for more information.

For this section, you will need the following information:

•Manure N-P-K and dry matter content analysis (if available)

•Fertilizers used containing N-P-K (names and analysis)

•Annual manure volume produced by species on the farm