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用蔬菜制药防治花卉病虫,不仅原料广、成本低、制作方法简单,而且效果良好,不会污染环境,对人畜也无害。可用来制药防治花卉病虫的蔬菜主要有:洋葱:将洋葱的外皮层和洋葱尖、洋葱叶等用刀剁碎,榨取汁液,加水喷洒花卉,每隔3天—5天喷洒一次,连喷3次,可消灭红蜘蛛。
With vegetable medicine prevention and control of flower pests, not only wide raw materials, low cost, production methods are simple, and the effect is good, will not pollute the environment, harmless to humans and animals. Can be used for pharmaceutical control of flower pests vegetables are: onion: the onion skin and onions, onion leaves chopped with a knife, squeezed juice, add water to spray flowers, spray every 3 days -5 days, and even spray 3 times to eliminate the red spider.