SPECIAL FILM-COATED CONTROLLED RELEASE FERTILIZER FOR PEANUT IN HIGH YIELD FIELD AND PREPARATION PROCESS THEREOF

摘要

The invention relates to the field of controlled release fertilizer technology, and in particular to a special film-coated controlled release fertilizer for peanut in a high yield field, which comprises an outer layer, an intermediate layer and an inner layer, integrates the ingredients for disease and pest control, chemical control, growth promotion and premature senescence prevention, controls the release period, improves the fertilization efficiency without the need of top application throughout the growth period, saves labor cost, and has positive effects on improving peanut yield and quality.