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利用蔬菜作原料自制土农药,方法简便成本低,对人畜无害,可用于防治蔬菜害虫,且效果较好。一、韭菜。取新鲜韭菜1公斤,捣烂加水400—500克浸泡取其滤液喷雾,可防治蚜虫。二、南瓜。将南瓜叶捣烂,榨汁,按1:1.5用水稀释,加少许肥皂液搅匀喷雾可防蚜虫。三、丝瓜。将鲜丝瓜捣烂,加20倍水搅拌,取其滤液喷雾,可防治菜青虫,红蜘蛛、蚜虫及菜螟等。四、辣椒。取新鲜辣椒50克,加水30—35倍,煮半小时取滤液喷洒,可防治蚜虫、土蚕、红蜘蛛等。五、大葱。取新鲜大葱2—3公斤捣烂成泥,加
The use of vegetables as raw materials homemade pesticides, simple and convenient method of low cost, harmless to humans and animals, can be used to control vegetable pests, and the effect is better. First, leeks. Take 1 kg of fresh leek, smashed 400-500 grams of water soaked take the filtrate spray, can prevent aphids. Second, the pumpkin. Pumpkin leaves smashed, squeezed juice, according to 1: 1.5 diluted with water, add a little soap and mix well to prevent aphids spray. Three, loofah. The fresh gourd mash, add 20 times the water, whichever is the filtrate spray, can prevent Pieris, spider mite, aphids and gall borers and so on. Fourth, peppers. Take 50 grams of fresh pepper, add water 30-35 times, boil for half an hour to take the filtrate spray, can prevent aphids, soil silkworm, red spider and so on. Five, green onions. Take fresh green onions 2-3 kg smashed into mud, add