塑料薄膜地面覆盖是一项农业增产的有效措施,在蔬菜和经济作物上已广泛应用,一般增产30％以上。日本于五十年代开始用普通薄膜对草毒进行地面覆盖,专用地膜出现后迅速发展,目前已普遍用于草莓的保护地栽培中。地膜覆盖在草莓栽培中的应用,在我国亦引起重视,不少单位已开始小面积 Plastic film ground cover is an effective measure to increase agricultural output. It has been widely used in vegetables and cash crops and generally yields more than 30%. Japan began in the fifties with ordinary film grass on the ground cover, the rapid development of special film appears, is now commonly used in the protective cultivation of strawberries. Film mulching in strawberry cultivation in our country also attracted attention, many units have begun a small area