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IPNI Members
Programs of the International Plant Nutrition Institute (IPNI) are funded by member companies that are dedicated to the efficient and responsible use of fertilizers in plant nutrition. Membership in IPNI is composed of companies that are basic producers of one or more of the major plant nutrients…nitrogen, phosphate, potash, and sulfur. Large retail organizations that do not quality as basic producers may quality as associate members, while certain other organizations quality as affiliate members. A listing of current members appears below.
Affiliate Members
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