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How to repair poplar branches
Poplar trees may not be pruned in the first year or two after planting, and pruned weakly in the third year, and then pruned every 2-5 years according to the growth situation. Weak pruning is better for young trees; Moderate pruning of middle-aged trees is better; The pruning amount of near-mature trees can ensure that the height of the whole tree is three-fifths of the trunk and two-fifths of the crown. For poplar in farmland shelter forest, the pruning amount should be slightly lower than that of general forest species.

Pruning method: adhere to the principle of less pruning, frequent pruning and not too much pruning at one time. From the bottom of the tree, round by round, timely prune the thick branches that affect the growth of the trunk and the competitive branches that affect the growth of the main head. Trim carefully, the incision should be smooth, scissors should be trimmed into horseshoe shape close to the trunk, and no high residual piles are allowed. Because the stump can't heal quickly, and it is easy to sprout branches and be infected with germs, it is difficult to grow into a good material without knots.

Pruning tools: It is best to use pruning shears that can be reached by human hands, rather than pruning with a tree shovel or machete. Trees can be trimmed with a sharp shovel.

Pruning season: Pruning is better in spring and autumn, but it is not advisable to prune a lot in the season when trees are growing vigorously.