Gargantuan List of Allowed Organic Fertility Materials

Gargantuan List of Allowed Organic Fertility Materials

25.00

This searchable list includes most organic fertility materials that have been approved for use in organic farming. The list is a compilation of materials that have been approved by OMRI, the WSDA Organic Program, and the CDFA Organic Input Material program. The list includes more than 4,000 entries. All the products on this list are allowed in Certified Kind farming.  

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