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草木灰是利用柴草等烧成的灰,它富含钾,并含有多量的磷、钙、镁、硫及各种微量元素,是一种很好的农家肥料。鲜为人知的是,草木灰还是一种防治病虫的良药。一、防治蚜虫用草木厌防治蚜虫,是农家传统杀虫方法,它方法简便无污染,经济有效,其杀虫效果在90%以上。作法是:发现作物茎叶上有了蚜虫后,可取新鲜草木灰过筛,在清晨或傍晚有露水时手工漫撒,隔3～5天再撒一次。注意草木灰要尽量撒在
Ash is the use of firewood and other charred ash, which is rich in potassium, and contains large amounts of phosphorus, calcium, magnesium, sulfur and various trace elements, is a good farmhouse fertilizer. Little-known is that ash is a kind of medicine to prevent pests and diseases. First, the prevention and treatment of aphids with grass aphids prevent aphids, farmers traditional insecticidal method, which method is simple and pollution-free, cost-effective, the insecticidal effect of more than 90%. The practice is: found aphids on the stems and leaves of crops, it is advisable to fresh grass sift through the screen, in the early morning or evening when there is dew manual diffuse, every 3 to 5 days and then sprinkle. Pay attention to grass ash to scatter as much as possible