目前,有不少适龄不结果或产量很低的苹果树。原因是除肥水不足,间作不当,病虫危害等综合因素外,在树体管理上,多是由于长期放任不修剪或修剪不合理,造成大枝过多,骨干枝细弱,主从不分,角度过小,层次不清,树冠郁闭,树体结构紊乱。使内膛空裸,小枝不多,花芽很少。因此搞好 At present, there are a lot of apple trees with no age or low yield. The reason is that in addition to inadequate fertilizer, improper intercropping, pests and diseases and other factors, the tree management, mostly due to long-term non-pruning or pruning unreasonable, resulting in excessive large branches, stems and weak branches, the main points from the point of view Too small, unclear levels, canopy canopy, tree structure disorder. Bore empty bare, small branchlets, flower buds rarely. So do a good job