去年我在棉花花铃期追肥加呋喃丹,发现对防治棉铃虫、金钢钻有一定效果。经过是这样的,7月2日晚上下过小雨(2.3毫米雨量),次日上午往棉花地追肥,每亩按15斤尿素与3斤呋喃丹混合施用,用锄刨坑,施后覆土。7月8日发现棉株上有金钢钻死体,1/3露出茎外,又看到棉铃虫吊死在苞叶片上,但未发现对伏蚜和盲椿象有什么 Last year, I was in the cotton bollworm fertilizer carbofuran and found that the prevention and treatment of cotton bollworm, diamond has a certain effect. After this, July 2 evening under the light rain (2.3 mm rainfall), the next morning to the cotton topdressing, acre by 15 kg of urea and 3 kg of carbofuran mixed application, with hoe planing pit, after the application of soil cover. On July 8, it was found that there was a steel drill body on the cotton plant and one-third of the drill pipe was exposed on the cotton stalk. Moreover, the bollworm hanged on the bracts of the bracts, but nothing was found about the aphids and blind stinkbugs