《中药通报》1987年第6期刊载的“敌敌畏不能用于中药材的杀虫”一文中,沈济术同志误认为凡有机磷农药残效期都长,其实不然。有机磷农药是最大的一类杀虫剂,约占整个杀虫剂基本品种的70%。其残效期,因品种不同差异甚大。有的施药后数小时或2～3天完 “Traditional Chinese Medicine Bulletin,” No. 6, 1987, published in the “Dichlorvos can not be used for insecticide” of Chinese herbal medicines, Comrade Shen Jisi mistakenly believe that where organic phosphorus pesticide residual period are long, it is not. Organophosphorus pesticides are the largest class of insecticides, accounting for about 70% of the basic varieties of pesticides. The residual period, due to different varieties vary greatly. Some application after a few hours or 2 to 3 days finished