MULCHING FILM FOR REST CONTROL

摘要

PURPOSE:To obtain the title film capable of preventing insect pests serving as media of virus diseases such as aphid and beetle from living upon agricultural crop, by incorporating a thermoplastic resin with each specified proportion of metallic aluminum powder and pearly pigment. CONSTITUTION:The objective film can be obtained by incorporating (A) 100 pts.wt. of a thermoplastic resin (pref. olefin resin or vinyl chloride-based resin) with (B) 0.5-4.0 (pref. 1.0-2.0) pts.wt. of metallic aluminum powder (pref. 20-40mu in particle size) and (C) 0.3-3.0 (pref. 0.8-2.0) pts.wt. of pearly pigment.