由于山地板栗立地条件差,多为实生繁殖类型,加上管理粗放,一般表现为良莠不齐,普遍低产,果实商品价值低。经过我们的调查分析,现将其低产开发措施总结如下:一、高接换头、改劣为优以现有的实生板栗为基础,选取本地较好的优良品种穴如石丰、烟青、华丰、红光等雪作为高接品种,一 Due to the poor condition of the mountain chestnut stands, most of them are of the type of real-life reproduction. In addition, the extensive management generally shows that there are mixed and generally low-yielding fruit products with low value. After our investigation and analysis, now its low-yielding development measures are summarized as follows: First, the high take the head, the improvement is superior to the existing real chestnuts as the basis, select the better local varieties of holes such as Shi Feng, smoke green, Owen, red and other snow as a high-take varieties, one