The U.S. Department of Agriculture has a "vision to provide economic opportunity through innovation, helping rural America to thrive; to promote agriculture production that better nourishes Americans while also helping feed others throughout the world; and to preserve our Nation's natural resources through conservation, restored forests, improved watersheds, and healthy private working lands."
The statutes related to agriculture are mainly located in Title 7 of the United States Code and the regulations are in Title 7 of the Code of Federal Regulations.
The U.S. Department of Agriculture Office of Administrative Law Judges decisions are available on the website. They are also available on Westlaw.
USDA directives and well as other guidance are available on the website.