The 14 day LC50 values of monocrotophos, carbendazol, carofuran, lindan and parathion methyl are 0.18,4.27,12.9, 70.85 and 74.52ppm, respectively, after determination of the acute toxicity of these pesticides in the worms in the artificial soil.

• 利用人工土壤测定久效磷、多菌灵、呋喃丹、林丹及甲基对硫磷对蚯蚓(Eiseniafoetida)的毒性.；其半数致死浓度(LC_(50))分别是:0