First, select the appropriate age fruit tree to scrape the skin. When scraping the skin, it is necessary to divide the type of fruit tree and the age of the tree. Generally speaking, apples and pears over 15 years old, peaches, persimmons, plums and apricots over 10 years old can be peeled off from grapes of 8 years old or older. If they do not reach the above age, they should not be scraped. Otherwise, it will be counterproductive. The normal growth of fruit trees.
Second, master the time to scrape. The time for scraping the skin is generally from November to February, because this period is the dormant period of fruit trees and pests. Scratching does not affect the growth of trees, but also kills the pests.
Third, pay attention to the method of scraping skin. When scraping the skin, use a special scraping tool to scrape the auxiliary branches, side branches, main branches and middle cadres of the fruit trees carefully and carefully. The most important one is to master the depth of the scraping. Generally, the pear tree should be scraped deep until the red endothelium is seen. The apple should be shaved, persimmon, peach, plum, apricot, etc., only the rough outer skin can be gently scraped, and the white should not be scratched. skin.
Fourth, after skin scraping disinfection. After scraping the skin, it is necessary to combine the diseased branches, insect branches, dead branches, fallen leaves, and fallen fruits together with the scraped scraps together with the winter clearing garden to remove them. And use 1 kg of quicklime, 2 kg of salt, 0.2 kg of bean cake pulp, add 3 kg of water, mix 50 g of animal and vegetable oil and mix well, then add 1 part of quicklime, 2 parts of sulfur and 10 parts of water to make 0.5 kg of stone sulfur mixture. It is formulated as a whitening agent and can be applied to the scraped area.
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