1、 Summer pruning

Its pruning is usually carried out in summer, specifically before August. Cutting off the over dense, damaged and dry branches can strengthen ventilation and light transmission, and promote the branches inside to see light well. When pruning, just cut it along the bottom of the branch

2、 Seedling pruning

The flower buds of blueberry trees should be trimmed during the seedling period to promote the growth of branches and expand the crown width of fruit trees. It can also leave most of the nutrients in the roots, promote the better development of the roots, regulate the tree shape, and bear more fruits in the later stage

3、 Adult pruning

After the fruit trees grow, the branches should be trimmed, the height should be controlled, and the area receiving light can be improved. When pruning, we should cut off the damaged, dense, sick and thin branches, leaving only strong branches, so that the fruit trees can grow more balanced and strong

4、 Old tree renewal and pruning

Generally, trees planted for about 20 years will have some trunks close to the ground, which indicates that they are basically aging. All branches close to the ground should be sawn off. Pay attention to the sawmouth close to the main trunk to facilitate the germination of new branches