Clever use of plant ash to prevent "two diseases"
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Prevention of root rot: root rot mainly occurs in fruit trees such as pears and grapes, often causing fruit trees to reduce production and even death. The use of plant ash can prevent and cure the disease. The method is as follows: first open the roots of the roots of the fruit trees, expose the roots, and use a knife to scrape off the diseased skin on the roots. After rooting for 2-3 hours, the fresh grass ash is smashed around the roots, and finally the roots can be buried. The treated roots can be cured in 1-2 months and new roots can be created to normalize the growth and development of fruit trees.
Prevention of downy mildew: plant ash is rich in potassium oxide, potassium in photosynthesis, is conducive to the operation and storage of carbohydrates. At the same time, potassium can promote fruit tree leaf maturation and thickening of the stratum corneum, and thus effectively resist the downy mildew. The methods for controlling downy mildew in ash on the grape vines are: after the fruit enters the expansion period from June to August, it is applied on the ground or in trenches on tree trays, and 4% of the ash can be used for foliar spraying. Every 3-3 kilograms of hay and wood ash is mixed with 100 kilograms of water, and the leachate is sprayed after dipping for 24 hours.