Where can I find information about grant programs for farmers and value-added agriculture entrepreneurs or associations representing these entrepreneurs?

Tennessee Department of Agriculture, Markets Division
    Ag Tag - http://picktnproducts.org/agtag.html
    Ag Growth Initiative - http://www.tennessee.gov/agriculture/enhancement/index.html

Building Better Rural Places is a USDA publication listing a variety of resources and programs, including grant and loan programs, for sustainable agriculture, forestry, entrepreneurship, conservation and community development.     http://attra.ncat.org/guide/index.html