A CONTROLLED-RELEASE FERTILIZER COATED BY ALKYD RESIN EMULSION-WAX AND PREPARATION METHOD THEREOF

摘要

The invention is related to a controlled-release fertilizer coated by alkyd resin emulsion-wax and preparation method thereof. The coated controlled-release fertilizer is composed of fertilizer core and film outside the fertilizer core. The film comprises wax film, polymer film containing alkyd resin emulsion outside the wax film, and selectively inorganic layer containing inorganic powder outside the polymer film.