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以蔬菜为原料制作杀虫剂,具有杀虫效果好、对人畜安全、不污染环境等优点。其原料易得,制作简便。现介绍以下几种蔬菜制农药法,不妨一试。1.黄瓜蔓:取黄瓜蔓1.25公斤,加水2.5公斤,捣烂渣即为原液。每公斤原液加水5公斤稀释、混匀,对菜青虫、菜螟虫等害虫的防效可达90%以上。2.番茄叶:取叶适量,加水少量捣烂,去渣。以3份原液与2份水混匀,再加少量肥皂液喷洒,防治红蜘蛛效果达100%。
Produce insecticide with vegetables as raw material, with insecticidal effect, human and animal safety, do not pollute the environment and so on. The raw materials easily available, easy to make. Now introduce the following kinds of vegetable pesticide law, may wish to try. 1. Cucumber Man: Take cucumber vine 1.25 kg, add water 2.5 kg, pound residue is the stock solution. 5 kg of water per kilogram of stock diluted with water, mix, on Pieris rapae, cabbage stem borers and other pests control effect of up to 90%. 2. Tomato leaves: take the right amount, add a small amount of water smashed, to the residue. Mix 3 parts of stock solution with 2 parts of water and spray with a small amount of soap solution to prevent and cure spider mite.