- ATTRA Compost Publications (Compost)
- CCOF Certification FAQs
- Center for Environmental Farming Systems
- CEFS Composting on Organic Farms
- Cornell Composting
- Natural Resources Conservation Service (Compost)
- UC Santa Clara Cooperative Extension Compost Education Project Pages (Compost)
- University of Missouri Compost
- UTIA Compost for Organic Systems
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