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１幼树管理１．１高接换种选５～６年生主干直径１０～１５ｃｍ的实生树在春季行单芽切接换种。嫁接时因树势和立地条件选留１～２个下垂侧枝作抽水枝。嫁接部位选在一级主枝上，但要尽量低，离地１ｍ左右。每株嫁接２～３个主枝，每主枝嫁接２～３个接穗，使每株至少有２...
1 sapling management 1.1 high exchange selection 5 to 6 years old trunk diameter of 10 ~ 15cm of the tree in the spring single-bud cut change. Grafting due to the tree potential and site conditions to choose to stay 1 to 2 drooping side branches for pumping branches. Grafting site selected at a main branch, but to try to be low, about 1m off the ground. Grafted per plant 2 to 3 main branches, each branch grafted 2 to 3 scions, so that each plant has at least 2 ...