Chestnut tree winter shear uses a combination of "centralized" and "dispersed" methods. "Concentration" is to eliminate dense branches, drooping branches, branches of diseases and insects, and slender branches, and to withdraw perennial supplementary branches, so that the tree nutrients are concentrated in the result area and the branches are promoted from weak to strong. “Distribution†is to leave more sparsely and more sparsely in order to disperse the nutrients and ease the tree potential.
Recovering and updating the auxiliary branches in the auxiliary branches can grow for many years. If they are not retracted and renewed in time, the growth of the front end will weaken, and the ability will decline. It can be retracted to a better branch when trimmed. If the base is not branched, a short pile of 3-5 cm in length may be left to allow the dormant buds of the base to germinate and grow into new shoots.
Control the use of leggy branches that have long oblique branches in the crown of the tree crown, through the winter short cut (25-30 cm left) to promote the branches, and then retract to the branch, change the angle of the leggy branches, make it Growing horizontally and gradually growing into fruiting branches.
Weed out the thin and weak branches of the thin branches of the chestnut tree. One is the male flower branch. A large number of male flowers consume a lot of nutrients. The other is the weak development branch. After sprouting, some leaves grow. During pruning, except for the indwelling, some weak branches were left to be reserved and the other weak and weak branches together with the cross branches, the pendulous branches, and the branches of the pests and diseases were completely removed.
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