AGRICULTURAL MULCH FILM

摘要

PURPOSE: To prepare an agricultural mulch film for satisfying both growth preventing effect on weeds and raising effect on ground temperature. CONSTITUTION: This agricultural mulch film is prepared by blending a thermoplastic resin with 1.0-5.0wt.% of iron oxide particles having the ratio A500 /A800 of absorbance (A500 ) at 500nm and absorbance (A800 ) at 800nm of >=4.0 and 1.0-5.0wt.% of organic pigment selected from purple pigment, blue pigment and green pigment.