Preparation for promoting growth of lateral buds of creeping stems of zoysia macrostachya in severe saline-alkali soil and use method of preparation

The invention discloses a preparation for promoting growth of lateral buds of creeping stems of zoysia macrostachya in severe saline-alkali soil and a use method of the preparation. The preparation comprises an agent A and an agent B, the agent A is prepared from the following chemical components in parts by weight: 8.0 to 9.0 parts of Primo, 0.2 to 0.8 part of Spm, 2.0 to 6.0 parts of GB, 0.5 to 1.0 part of mulberry wood vinegar and 80 to 95 parts of solvent; the agent B is prepared from the following chemical components in parts by weight: 55 to 65 parts of KH2PO4, 10 to 20 parts of ZnSO4, 10 to 15 parts of IBA and 8 to 12 parts of GA3; during use, the agent A and the agent B both need to be used when the soil humidity reaches 75% lt; rlt; spraying is carried out when the content is 80%; the agent A is sprayed firstly, then the agent B is sprayed, the agent A is sprayed twice, and the time interval is 7-10 days after each time of spraying. The agent A can improve the activity of related enzymes of the zoysi