地下害虫为害各种农作物,造成缺苗断垅,严重影响作物产量。有许多地区,几类的地下害虫如蛴螬、金针虫、蝼蛄同时发生,因此要求一种有效的兼治办法极为群众所热望,自1950年作者研究出应用666粉制成毒谷,用以防治以蝼蛄,获得了很大效果,在各地实践应用当中发现666毒谷对于金针虫、蛴螬具有良好的兼治作用。过去国外 Underground pests damage a variety of crops, resulting in lack of seedlings, severely affected the crop yield. In many areas, several types of underground pests such as mullet, echinacea and comatose occur simultaneously. Therefore, an effective method of treating both pests and diseases is very much desired. Since 1950, the author has studied the application of 666 powder to make poisonous valleys蝼 蛄, obtained a great effect, found in 666 poison valley throughout the application of the Golden worm, 蛴 螬 has both good and temporary effect. Past foreign countries