https://crops.extension.iastate.edu/cropnews/2009/11/rusle2-and-p-index-workshops-manure-and-nutrient-plan-writers-offered-isu
RUSLE2 and P Index Workshops for Manure and Nutrient Plan Writers Offered by ISU Extension |...
This ISU Extension workshop provides RUSLE2 software orientation, includes real field examples to determine risk calculations of the Iowa P Index and covers...