板栗树的整形修剪技术与其栽植密度、经济效益密切相关。近几年,我市板栗的栽植密度多为3米×4米,树形多为自然开心形,具有树体成形早、树冠扩展快、结果早、产量高、结果部位不外移等特点,现将该技术介绍如下。自然开心形的主干高80厘米,不留中干,全树主枝5～6个,主枝上不培养侧枝,直接培养大中型结果枝组。 Chestnut tree trimming technology and its planting density, economic benefits are closely related. In recent years, the planting density of chestnut in our city is mostly 3m × 4m. Most of the trees are natural and happy, with the characteristics of early tree formation, rapid crown expansion, early result, high yield and no relocation of the results. The technology is introduced below. Natural trunk shape of 80 cm high, do not stay in the dry, the whole tree main branches 5 to 6, the main branch does not cultivate collateral, direct training large and medium-sized results Zhizu.