Anaerobic Digestion in the United States

Farms in the United States, as well in other countries, are increasingly being required by their comprehensive nutrient management plans (NMPs) to store manure, time land application so it coincides with crop growing seasons, and utilize more fields so agronomically appropriate application rates can be met. These practices each increase the potential for manure-borne odor conflicts with farm neighbors. While storing manure reduces a farm’s risk for water pollution, farms are facing increased opposition from those who object to the odor associated with stored manure