The present invention relates to a biodegradable agricultural mulching film comprising apatite having a fertilizing substance, and a method for preparing the same. The method for preparing a biodegradable agricultural mulching film comprising apatite comprises the steps of: 1) pulverizing apatite stones to 500 mesh or more 2) blending apatite powder (20-80%), corn starch and sweet potato starch (80-20%) with essential nutrients for plants, such as sulfur and nitrogen according to the use of the blending 3) preparing a complete product of an apatite composition 4) combining LDPE or HDPE with the apatite composition and 5) extruding and molding a plastic film and 6) producing an apatite plastic film.COPYRIGHT KIPO 20151) 인회석돌을 500매쉬이상으로 파쇄2) 인회석가루(20~80%)와 옥수수전분및 고구마전분원료(80~20%) 블랜딩 용도에 따라 식물 필수 영양성분인 황,질소등을 가미하여 블랜딩3) 인회석 원료 완제품생산됨4) 인회석원료에 LDPE나 HDPE 원료를 배합5) 비닐을 압출성형6) 인회석비닐완제품 생산
