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AAPFCO Minimum Nutrient Concentration

Guarantees or claims for the above listed plant nutrients are the only ones which will be accepted.  Proposed labels and directions for the use of the fertilizer shall be furnished with the application for registration upon request.  Any of the above listed elements which are guaranteed shall appear in the order listed immediately following guarantees for the primary nutrients of nitrogen, phosphate and potash.  (Official 1994)

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