河南偃师县大部地区农作物,历年遭受地下虫为害,特别是小麦,严重缺苗的达70%以上。自1954年号召以六六六毒谷防治地下虫后,一般群众由于亲身体验到毒谷的好处,故不断研究混合播种的方法,如何使毒谷、小麦同时播下,均匀散开。例如该县八区陈远好互助组在1953年创造了一种方法,可解决麦种遊动,毒谷下沉,不能同时播下,均匀散开的好 Crops in most parts of Yanshi County, Henan Province, have been affected by underground insects over the years, especially wheat, with over 70% of severely-under-starved seedlings. Since 1954, when it was called to control the underground insects with 666 poison valleys, the general public, because of the personal experience of the benefits of poison valleys, continued to study the method of mixed seeding and how to make the poisonous valleys and wheat broadcast at the same time and disperse uniformly. For example, Chen Yuanhao Mutual Aid Group of the eight districts in the county created a method in 1953 to solve the problem of wheat species swimming and poison valley sinking, which can not be sown simultaneously and spread evenly