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How to shape a naturally happy plum tree?
After the seedlings are planted, the stems should be fixed at a height of 50 ~ 60 cm. Choose 3 ~ 4 new branches with strong growth, suitable direction and large angle from the new branches growing on the buds under the incision as the main branches. For the remaining branches, sparse or short cut; The middle growth should be pitted to ensure that the selected main branches grow healthily. In the first winter, the main branches were cut off by about 60 cm. Select the outer bud as the opening angle of cutting bud. Except the selected main branch, all the competing branches are thinned, and the other branches are lightly pruned or not pruned according to the space size. In the spring of the following year, healthy branches with large angle and positive direction were selected from the new shoots sprouted under the incision as the extension branches of the main branches for cultivation, and the rest branches were properly controlled. For the growth branches with small angle and vigorous growth, which may exceed the extension branches of the main branch, it is necessary to timely remove or control the heavy and short branches to ensure the growth advantage of the extension branches of the main branch. During the whole growing season, pruning should be carried out for 2 ~ 3 times to make the branches grow evenly. Competitive branches should be thinned out in time, and oblique branches with medium growth should be kept or lightly cut as far as possible to promote the early formation of flower buds. In winter, the extension branch of the main branch is still cut about 60 cm, and the rest branches are determined according to the space size. In addition to the vigorous competitive branches, thinning or pruning should be carried out. Generally speaking, branches should be cut as lightly as possible. In the third year, continue to cultivate the extension branches of the main branches according to the above methods, and select the first lateral branch outside each main branch. The lateral branches on each main branch should be evenly distributed to avoid overlapping. The angle of the side branch is larger than that of the main branch, and the subordinate relationship of the main branch is maintained. According to this method, 2 ~ 3 lateral branches are selected from each main branch, and the tree can be completed in the fourth year.