俗话说“刮一遍皮,省三遍药,”对于梨、苹果等老果树,特别是发生过病虫害的果树,刮一次皮,不但能起到喷药灭病虫害的作用,而且还有增强树势的作用,其效果如同施肥一样显著。所以,果树刮皮,对果树栽培户来说,确是一项不花钱,又省事,易操作且增产的好措施。树皮,是树体的皮层组织,担负着保护树体和运输养料的功能。它分为外表皮、表皮和韧皮部。韧 As the saying goes, “Scrape the skin again, the province three times the drug,” For pears, apples and other old fruit trees, especially pests and diseases occurred in fruit trees, scraping a skin, not only can play the role of spraying pests and diseases, but also enhance the tree potential The effect is as pronounced as fertilization. Therefore, the fruit tree scraping the skin, for fruit cultivation households, it is indeed a good way to save money, save trouble, easy to operate and increase production. The bark, which is the cortex of the tree, is responsible for protecting the tree and transporting nutrients. It is divided into outer skin, epidermis and phloem. tough