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临猗县角杯乡姚卓村青年农民宋开昌用窗纱覆盖了1亩棉田,基本控制住棉铃虫为害,亩产皮棉可达135公斤。他的棉田,种植品种是1729,采用地膜覆盖,渗地播种。5月24日投资570元,购窗纱27公斤,对棉田进行全封闭覆盖,覆盖高度1.8米左右,(若连户覆盖,每亩可节省投资100元左右)。与相邻棉田相比,宋开昌防治棉蚜喷药两次,投资不足10元,节约农药款140—190元,减少用
Linqu County Township Yaochuoyao young farmer Song Kaichang screens covered with 1 acres of cotton fields, the basic control of cotton bollworm damage, up to 135 kg per mu lint. His cotton fields, planted varieties is 1729, the use of plastic cover, seepage seeding. On May 24, the company invested 570 yuan and purchased 27 kilograms of screens to completely cover the cotton fields and cover a height of about 1.8 meters. (If the households are covered, an investment of 100 yuan per mu can be saved). Compared with the adjacent cotton fields, Song Kaichang spray cotton aphid control two times, less than 10 yuan investment, saving 140-190 yuan pesticide models, reduce the use of