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农作物或果树发生病虫害,如果不大严重,可以用自制的土农药防治。 1.用大蒜0.5公斤捣碎,加水5公斤,搅拌后过滤取液,喷洒或灌根,能抑制土豆腐烂病、小麦锈病、棉花立枯病、稻瘟病等。 2.用1％的石灰水浸种,可防治大麦条纹病、稻瘟病;用2％的石灰水浸谷种2小时,可防治谷子白发病。 3.用烟叶0.5公斤(或烟梗1公斤)、生石灰0.5公斤、肥皂少许,加水30公斤浸泡1天取汁喷洒,可防治蚜虫、红蜘蛛、菜青虫等。
Pests and diseases occur in crops or fruit trees, if not serious, you can use homemade soil pesticide control. 1. With 0.5 kilograms of garlic mashed, add water 5 kg, filtered after mixing liquid, spraying or irrigation, can inhibit potato rot disease, wheat rust, cotton blight, rice blast and so on. 2. soaked with 1% lime water can prevent barley stripe disease, rice blast; 2% of the lime water soaked seed 2 hours, can prevent mildew white hair disease. 3 with tobacco 0.5 kg (or tobacco stems 1 kg), lime 0.5 kg, a little soap, add water 30 kg soak 1 day juice spraying, can control aphids, spider mites, cabbage caterpillar and so on.