一、买少污染的菜蔬菜几乎均受农药、粪便、化肥污染。农药污染的轻重取决于菜生虫多少,如白菜类、甘蓝类、芥菜类,尤其是鸡毛菜,最易生虫,生长期需多次喷洒农药,污染特别严重。而胡萝卜、芹菜、香菜、蓬蒿,极少生虫,污染也自然减轻了。粪便污染与蔬菜植株高矮密切相关,塌地生长的荠菜、菠菜,香菜,生菜、鸡毛菜,粪尿直接浇在菜叶上,受粪便污染严重;而蔓生蔬 First, buy less contaminated vegetables almost all by pesticides, manure, fertilizer pollution. The severity of pesticide contamination depends on the number of vegetable parasites, such as cabbage, cabbage, mustard, especially chicken feather, the most susceptible to insects, multiple spraying of pesticides in the growing season, the pollution is particularly serious. The carrots, celery, parsley, basil, very few worms, pollution has naturally eased. Fecal pollution is closely related to the height of vegetable plants, shepherd’s purse, spinach, coriander, lettuce, feather vegetables, feces and urine directly poured on the leaves of vegetables, seriously contaminated by manure;