郁闭密植苹果园的改造措施目前，有些密植苹果园，由于未掌握密植管理技术，密植稀管，也有的存在“越密越丰产”或“密植就丰产”的偏见，栽植密度过大，重栽不重管，不管等丰产；还有的由于人力和物力等条件不足，不能及时采取密植栽培的技术措施，出现了生长旺盛结果少... Cotyledon planting orchard reform measures At present, some densely populated apple orchard, because they did not grasp the close planting management techniques, dense planting thin tubes, and some exist “more dense and more abundant” or “dense planting on high yield” bias, planting density is too large, heavy Planted no weight control, no matter how high yield; there due to lack of human and material conditions, can not be timely and close planting techniques, there has been little growth ...