近几年来,地膜覆盖这一技术在国内外得到了广泛的推广应用。但是在生产中同时带来的白色污染日益严重的问题,也引起了国内外专家及广大干部群众的关注。为了完善地膜覆盖技术,在充分运用该技术增产创收的同时,根除其带来的污染问题,90年代初,围绕农用 In recent years, the technology of plastic film covering has been widely popularized and applied both at home and abroad. However, the increasingly serious problem of white pollution brought about in production at the same time has also aroused the concern of domestic and foreign experts and cadres and masses. In order to improve the technology of plastic film mulching, while making full use of this technology to increase production and income, it eradicated the pollution problem brought by it. In the early 1990s,