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How to prune blueberries?
Plastic surgery within two years after colonization.

The tree shape is natural or shrub-like, with 4 ~ 6 cultivation trunks and branches more than 40 cm above the ground. Prune from late February to early February of the following year, and treat the vegetative branches according to the principle of "three to one and five to two"; Cut off dead branches, broken branches, diseased branches, weak branches, cross branches and drooping branches at the base; Take back the old big branches and short top branches. To form a dense, ventilated and light-permeable, moderately high and plump crown. Aging trees should be renewed and rejuvenated in time, generally from late February of 65438 to early February of the following year. Renewal and rejuvenation method: leave the pile 10 ~ 30 cm, cut off the aboveground parts, keep the upper branches of the pile as auxiliary branches, and regenerate new branches to cultivate the crown. Generally, you can resume your grades in the second year.