蔬菜无公害防病虫治六法一、草木灰治虫：每亩用１０公斤草木灰兑水５０公斤浸泡２４小时，取滤液喷洒可有效防治蚜虫。若葱、蒜、韭菜受种蝇、葱蝇等明虫的危害，每亩可沟施或撒施草木灰３０公斤，既可治蛆又能增产。二、高脂膜防病：高脂膜喷施在蔬菜上，能在茎、叶、果... Pest control of pests and diseases of vegetables six law a lawn ash pest control: 10 kg of grass watered with 50 kg of soak for 24 hours, take the filtrate spray can effectively control aphids. If the onions, garlic, leeks by the kinds of insects, onion flies and other insects on the dangers of grasses per hectare can be drench or spread 30 kg, can cure maggots but also increase production. Second, high-fat film disease prevention: high-fat film sprayed on vegetables, in stems, leaves, fruit ...