要吃梨刮老皮“要吃梨、刮老皮”。冬春刮去梨树老皮是梨树简易增产措施之一。其好处在于：可减少老皮对树体的压力，促进果树树体更新，有利果树生长。同时还可以消灭潜藏在梨树粗厚皮、翘皮或老皮裂缝里的害虫的虫卵、蛹、幼虫、成虫和病菌，降低越冬病菌基数，减轻梨树... Pear to eat old skin, “eat pears, scratch the old skin.” Scratching pears in winter and spring skin is one of the simple measures to increase production. The benefits are: can reduce the pressure of the old skin on the tree, promote fruit tree regeneration, fruit growth. At the same time, it can also eliminate the eggs, pupae, larvae, adults and germs hidden in the pests of thick skin, warp or old skin cracks, reduce the number of overwintering germs and reduce the pears ...