在棉花播种时,采用甲拌磷处理棉种防治棉蚜,我们从1558年开始,连续进行了五年的小面积试验,均取得了防治棉蚜的良好效果。又经1963,1964两年的大面积示范,进一步证明棉苗出土后4一7个星期不受蚜害,麦收前可以不防治,并能兼治蝼蛄。因此,1965年在全县52万亩棉田中的24万余亩连片棉田进行了推广使用,表现出良好的治蚜效果,不但麦收前不 In the cotton planting, the use of phorate treatment of cotton seed cotton aphid control, we began in 1558, a small area of ​​five consecutive years of trials, have achieved good results in the control of cotton aphid. After a large area demonstration in 1963 and 1964 for two years, it was further proved that cotton seedlings were not affected by aphids 4 to 7 weeks after their excavated, wheat could not be controlled before harvest, and both were cured. Therefore, in 1965 520000 acres of cotton fields in the county of more than 240,000 acres of contiguous cotton fields were promoted to use, showing a good cure aphids effect, not only before the crop did not