PROBLEM TO BE SOLVED: To improve anti-fogging sustainability in long use by increasing adhesion of an anti-fogging composition with a covering layer. SOLUTION: An agricultural covering material is formed with a covering layer of an anti-fogging agent composition on the surface of an inner layer of a base film composed mainly of a polyolefin resin film of a multilayered structure comprising the inner layer of facing side to farm products, an intermediate layer, and an outside layer, wherein the inner layer is a resin layer composed mainly of an ethylene-vinyl acetate copolymer and having a 10-30% vinyl acetate content and the intermediate layer is the base resin of a mixture resin comprising various kinds of resin ingredients containing polyethylene. COPYRIGHT: (C)2010,JPO&INPIT
