近几年来我县蛴螬有明显回升趋势,给农业生产带来了很大威胁。前年8月中旬我们调查了207块田的582个点(每点一平方米),大豆田平均每平方米有蛴螬28.81头,折合每亩19,216.27头。8月后部分田块大豆受害,并出现点片死苗。为了确保大豆丰收,我县30多万亩大豆普遍采用了豆田直接灌水和豆田施药灌水防治蛴螬,收到了较好的效果,挽回大豆损失约15— In recent years, there has been a clear upward trend in our county Xuyi, which has brought great threats to agricultural production. In the middle of last August last year, we surveyed 582 points (1 square meter per site) in 207 fields. The average soybean field has 28.81 heads per square meter, or 19,216.27 heads per mu. Some fields in August after the soybean damage, and spotted dead seedlings. In order to ensure the bumper harvest of soybean, more than 30 million mu of soybean in our county have generally adopted the direct irrigation of soybean fields and the irrigation and control of bean cultivation and irrigation, and have received good results and saved about 15-