一、应用情况 我省地膜覆盖栽培,是继1974年起,利用废旧农膜进行地膜覆盖之后,1979年由省农科院蔬菜所引进我省,1980年进行专题研究并组织全省有关农林科研单位开展科研协作、全省开始较大面积的试验与示范。1981年全省使用地膜120多吨,蔬菜、瓜类和其它作物地膜覆盖栽培的面积 First, the application of mulching film cultivation in our province, is the second since 1974, the use of waste plastic film mulching, 1979 by the Provincial Academy of Agricultural Sciences vegetables introduced to our province, conducted a special study in 1980 and organized the province’s agricultural research Units to carry out scientific research cooperation, the province started a large area of ​​trial and demonstration. In 1981, more than 120 tons of mulching film were used in the province, and the area covered by plastic film mulching of vegetables, melons and other crops