近年来,农田地膜覆盖新技术,在早稻育秧、棉花、甘蔗、烟草、花生和蔬菜上已广泛应用,有着明显的增产效果和良好的经济效益。果树生产采用地膜覆盖,据辽宁、内蒙、宁夏、浙江等省的试验结果,能提早葡萄的扦插和定植苗的发芽,使之生根快、发根多、成活率高;能提高苹果、葡萄、梨 In recent years, the new technology of plastic film mulching in farmland has been widely applied in rice growing in early rice, cotton, sugar cane, tobacco, peanut and vegetables, and has obvious yield increasing effects and good economic benefits. According to the test results of Liaoning, Inner Mongolia, Ningxia and Zhejiang provinces, the fruit trees can be pre-cuttaged and the germination of the planted seedlings can be accelerated, resulting in quick rooting and more rooting and higher survival rate. It can improve the quality of apples, grapes, pear