The residue of 9 organophosphorous insecticides in vegetable in kunming , yunnan province was detected using the multi - residue method . the residue of 9 organophosphorous insecticides was detected in 51 of 152 vegetables . the residue of 34 . 2 % samples was higher than their mrl 對云南省昆明市蔬菜中9種有機(jī)磷殺蟲劑殘留進(jìn)行了測定, 152個蔬菜實(shí)測樣本有51個蔬菜樣本被檢出有超標(biāo)農(nóng)藥,超標(biāo)率為34 . 2 。