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一、粮食作物的覆盖面积迅速扩大地膜覆盖作物由棉花、蔬菜、瓜类等经济作物迅速向玉米、高粱、水稻、甘薯等粮食作物扩展,1985年山西省粮食作物覆盖面积还处在试验和示范阶段,面积仅10万余亩,占总覆盖面积131万亩的8％。1986年玉米、高粱、小麦、水稻等粮食作物的覆盖面积可达40余万亩,占到总覆盖面积的24％。二、一膜多用面积稳步扩大广大农民逐步把棉瓜、棉菜等间作套种的传统技术应用到地膜覆盖上,根据作物的生物学特性,创造了覆盖环境下一膜多用的
First, the rapid expansion of the coverage of food crops Film-covered crops by cotton, vegetables, melons and other cash crops quickly to corn, sorghum, rice, sweet potato and other food crops in 1985 in Shanxi Province, food crop coverage is still in the test and demonstration Stage, an area of only 100,000 mu, accounting for 8% of the total area of 131 mu. In 1986, corn, sorghum, wheat, rice and other food crops cover an area of up to 40 million mu, accounting for 24% of the total area covered. Second, a film with a multi-purpose area to steadily expand The majority of farmers gradually cottonseed, cotton intercropping intercropping of the traditional techniques applied to the plastic film mulching, according to the biological characteristics of crops, creating a film covering a multi-purpose environment