Natural happy tree pruning method from the first to the third year

The natural happy tree is 1 to 3 years old, and the purpose of pruning at this time is to extend the trunk of the jujube to a certain height. In order to promote growth, the secondary branches with a height of less than 1.5 meters are cut along the trunk every winter. in order to ensure the expansion of the crown, the secondary branches are cut gradually from the bottom to the third year-old tree.