苹果树在初果和盛果前期，常因修剪和综合管理不当，容易引起树势不平衡，具体表现为：上强下弱、下强上弱、三大主枝强弱不均等现象。由于树体结构不合理，造成枝条和结果分布失衡，空间、光能浪费大，营养分配不均，影响单位面积的效益。应采取相应的修剪法予以纠正，总的原? Apple trees in the early fruiting and early fruiting, often due to improper pruning and integrated management, easily lead to imbalance in tree shores, manifested as: weak on the strong, the next strong on the weak, the three main branches of the phenomenon of unequal strength. As the irrational tree structure, resulting in uneven distribution of branches and results, space, light waste, uneven distribution of nutrients, affecting the efficiency of the unit area. Should be taken to correct the pruning method, the total original?