• Economic Research Service
• Organic Agriculture
• National Organic Program Agricultural Marketing Service, USD
• National Agricultural Library
• Organic Production Alternative Farming Systems Information Center
• Sustainable Agricultural Research and Education
California Department of Food and Agriculture
• California Organic Program
University of California Division of Agriculture and Natural Resources
• Organic Vegetable Production in California series ANR Catalog (free publications)
• Organic Production Publications Vegetable Research & Information Center, UC Cooperative Extension
• Organic Farming Research and Information UC Sustainable Agriculture Research and Education program
• Statistical Reviews of California Organic Agriculture UC Agricultural Issues Center
• UC Small Farm Program
Organic Eprints
International open access archive for papers related to research in organic agriculture.
ATTRA, Sustainable Agriculture Program
ATTRA is a program developed and managed by the National Center for Appropriate Technology (NCAT).
• Organic Farming
Organic Center
• Scientific Resources
Organic Agriculture - eXtension
(eXtension is an educational partnership of over 70 land-grant universities.)
Organic Trade Association
A business association for the North American organic industry.
Biopesticide and Organic Database for Intergrated Pest Management The IR-4 Project, Rutgers
FAO Organic Agriculture (Food & Argriculture Organization of the United Nations)
Site includes: Publications, Reports & Mandates, and Country Data