ATTRITION RESISTANT, CONTROLLED RELEASE FERTILISER COMPRISING PARTICULATE FERTILISER CONTAINING AT LEAST ONE WATER-SOLUBLE NUTRIENT SURROUNDED BY A PLURALITY OF COATINGS, ONE BEING AN AMINE CURED EPOXY RESIN

摘要

Controlled release, particulate fertilizer products having a water soluble fertilizer central mass encased in a plurality of water insoluble, abrasion resistant coatings plus coating compositions and methods for the production of such products are disclosed. At least one essential inner coating is an epoxide reaction product of A. at least one epoxide resin containing at least about 2 epoxide moieties per molecule, and B. at least one amine curing agent containing at least about two N-H moieties/molecule.