在蔬菜生产过程中,病虫危害十分严重,尤其是发病时期,专业户很着急,很易出现乱用药的现象,误把防治其他作物病虫害的农药,用在蔬菜田上,使蔬菜受到污染,造成人、畜禽中毒。蔬菜上禁止使用的农药有以下三类。 1.有机氯制剂——滴滴涕滴滴涕虽然毒性较低,但毒性稳定,在生物体内及土壤中不易分解,如经常食用残 In the process of vegetable production, pests and diseases are very serious. Especially during the period of illness, the specialized households are in a hurry and are prone to indiscriminate use of medicines. They mistakenly put pesticides for preventing and curing pests and diseases of other crops are used in vegetable fields to pollute the vegetables and cause people Livestock poisoning. There are three types of pesticides banned on vegetables. 1. Organochlorine formulations - DDT DDT, although less toxic, is stable in toxicity and does not decompose readily in organisms and in soils, as often consumed