吉林通化县人民公社荒沟管理区苹果园,历年遭受花腐病严重为害,因病每年减产50%左右,1957年经老技术手李梓臣提出用牛粪水喷射,经过一昼夜的时间,病势即停止蔓延,1958年果树花蕾显红时,普遍喷一次牛粪水进行预防,控制了花腐病的发生,获得丰收。 Tonghua County, Jilin Province, people’s commune Huanggou management area apple orchard, over the years suffered from serious damage to the flower rot, due to disease 50% annual reduction of about 1957, the old technology by Li Zichen proposed cow dung water jet, after a day or night, the disease is stopped Spread, 1958 fruit buds were red, the general spray once cow dung water prevention, control the occurrence of flower rot, access to good harvest.