N.H. Rev. Stat. § 431:34
In consultation with the agricultural advisory board, the commissioner of environmental services, the United States Natural Resources Conservation Service, the New Hampshire agricultural experiment station, the university of New Hampshire cooperative extension, and other appropriate agencies, the commissioner of agriculture, markets, and food shall identify and publish the best management practices for handling manure, agricultural compost, and commercial fertilizer. Such practices shall be based upon the best available research and scientific data so as to permit the maximum use of nutrient and soil conditioning values, while achieving the least possible adverse impact upon the environment or human, animal and plant health.
RSA 431:34
1991, 13:1. 1995, 130:5; 134:23; 206:2, eff. Aug. 11, 1995. 2005, 59:2, eff. July 22, 2005.