密植金冠苹果控冠技术密植苹果在正常的管理条件下，定枝后５～７年树冠即交接并有不同程度的郁闭。这样既妨碍田间作业又严重影响通风透光和持续稳产优质。因此，及时适当控制树冠扩展、稳定树势是乔砧密植苹果园的关键措施。８～１０年生乔砧金冠，栽植密度５ｍ×３ｍ，... Close planting golden crown apple crown control technology Close planting apple under normal management conditions, 5 to 7 years after the branch crown that is the handover and have different degrees of canopy. This will not only hinder the field operations but also seriously affect the ventilation and light and sustained stable quality. Therefore, proper and timely control of the canopy expansion, the stability of the tree is Joe key planted dense apple orchard. 8 ~ 10 year old Joe anvil crown, planting density 5m × 3m, ...