所谓农药残留 ,是指施用农药以后在食品内部或表面残存的农药 ,包括农药本身、农药的代谢物和降解物以及有毒杂质等。人吃了有残留农药的食品后而引起的毒性作用 ,叫做农药残留毒性。在我国发生较多的引起农药残留中毒的农药品种主要是有机磷农药和氨基甲酸酯农药 ,如氧化乐果 Pesticide residues refer to pesticides that remain in or on the surface of food after the pesticide is applied, including pesticide itself, metabolites and degradants of pesticides, and toxic impurities. After eating a food residue pesticides caused by toxic effects, called pesticide residues toxicity. Pesticide residues that cause more pesticide residues in China are mainly organophosphorus pesticides and carbamate pesticides, such as omethoate