地下害虫主要有蛴螬、蝼蛄、金针虫和地老虎等,它们分布广、危害大、种类多。光靠农药防治一种方法很难达到理想的防治效果,因此要采用综合措施进行防治。一、农业防治①水旱轮作:实行水旱轮作能消灭大量地下害虫,是改善严重受害田的有效措施。②深耕细作:可借机械、犁耙等工具的力量杀伤一部分虫体。冬 Underground pests are mainly 蛴 螬, 蝼 蛄, insects and land tigers and other insects, which are widely distributed, endangering large variety. It is difficult to achieve the desired effect of prevention and control by one method of pesticide alone. Therefore, comprehensive measures should be taken to prevent and control it. First, agricultural prevention and control ① Drought and drought rotation: the implementation of drought and drought rotation can destroy a large number of underground pests, is to improve the serious damage to the field of effective measures. ② deep pillars: By mechanical, rake and other tools to kill some of the power of the body. winter