板栗树低产原因虽多,但主要是实生繁殖带来的退化。如果用良种接穗对低产树高接换头,三年后其产量便可提高几倍甚至十几倍。现简要介绍高接换头的方法。一、选好合理的去头部位实践证明,去头部位在技粗直径为3～5厘米处为好。下面的光秃带可在缺枝处用“皮下腹接法”补枝。 Although there are many reasons for the low yield of chestnut tree, it is mainly due to the degeneration caused by real breeding. If you use seed scion pair of low yield tree high takeover, after three years its output can be increased several times or even ten times. Now briefly introduce the method of high takeover. First, choose a reasonable head to the head Practice has proved that the head to the technical rough diameter of 3 to 5 cm at the better. The following bald belt can be used at the lack of branches “subcutaneous abdominal method ” branch.