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近几年来我县蛴螬有明显回升趋势,给农业生产带来很大威胁。据1982年8月中旬在207块大豆田的582个点调查,平均每平方米有蛴螬29.8头,折每亩19216.3头。为确保大豆丰收,我县30多万亩大豆普遍采取豆田灌水或施药灌水的防治方法,均收到较好效果。 豆田直接灌水 采用沟灌,畦灌,田间工程差的田块用漫灌亦可以。灌水量控制在
In recent years, there has been a clear upward trend in our county Xuyi, which has brought great threats to agricultural production. According to the survey conducted in mid-August 1982 at a total of 582 spots in 207 soybean fields, the average number of stumps per square meter was 29.8 and the number of spoons per head was 19,216.3. In order to ensure the bumper harvest of soybean, more than 300,000 mu of soybean in our county generally adopted the methods of prevention and control of bean field irrigation or application irrigation and received good results. Droughts direct irrigation with furrow irrigation, irrigation, fields with poor field flood irrigation can be. Irrigation control at