2. Secondly, pruning the rootstock, controlling the growth potential of the rootstock and keeping the balanced growth of the whole rootstock.

3. Finally, manually remove the seedlings to prevent the nutrition of the seedlings and rootstocks. Big cherry is a plant of Rosaceae and Prunus. Deciduous fruit trees in northern China ripened the earliest after inheriting China cherry. Chinese medicine believes that big cherry has the functions of regulating middle coke, expelling wind and removing dampness.