2. The pruning principle of young litchi trees is light pruning, and the pruning methods include pruning, coring, pulling branches, hanging branches and smearing. , mainly to cut off cross branches, too dense branches, bent branches, weak branches, etc. Enlarge the tree crown, reduce nutrient consumption and promote high and stable yield in the later period.

3. Litchi trees should be fully pruned during the fruiting period, and after pruning, they should be retracted, updated, pruned and adjusted to protect the wounds.