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放任果树自然生长所形成的树冠,骨干枝着生的数量较多,枝条分布较密缺乏系统的从属关系。不但结果量少,而结果部位也逐步的向树冠外围转移。树冠内部的枝条因光线少,营养条件不良,大部份生长纤细多早期衰亡。因此经济栽培的果树,在不违背果
Letting the natural crown of fruit trees grow, there are many branches and branches, and the branches are dense and lacks the systematic subordination. Not only the amount of results less, and the results of the site gradually shifted to the periphery of the crown. Branches inside the crown due to less light, poor nutritional conditions, most of the more slender and more early decline. Therefore, economic cultivation of fruit trees, not contrary to the fruit