2. When sprouting new buds, you can remove redundant buds, remove buds that are not growing well, and leave full and strong buds.

3. If chestnut trees grow well, you can prune dense branches and cut short branches.

4. The dead branches and yellow leaves that appear in the growth process can be cut off in time.

5. Pay attention to coring. When the new shoot grows to 30 cm, it needs to be enucleated many times.