After the grapes are harvested, the vine still has a period of growth. If it can strengthen management, it will not only enhance the ability of the tree to reserve nutrients, but also increase the cold resistance of the plants in winter, and it is the guarantee for high yield and stable production the following year. First, post-production fertilizer After the fruit is harvested, depending on the plant growth, about 12 kg of available nitrogen fertilizer is applied per acre, and 0.3% urea solution is sprayed 2-3 times to restore normal growth. If the tree grows vigorously, use it sparingly to prevent new shooters. The autumn base fertilizer is completed from late September to early November. Use groove fertilization. Second, loose soil to prevent drought The orchards in summer and autumn are easy to overgrown with weeds. After picking fruit, they must be cultivated and weeded in time. In August and October, grapes often face the threat of autumn drought. Therefore, we must pay attention to drought irrigation. If there is a continuous sunny day for 15-20 days, we should promptly irrigate and keep the field holding water no less than 60%. Third, pest control The main diseases of grapes are downy mildew, black pox, and rust. In August-September, the onset of downy mildew is particularly serious, especially in the rainy years. After the grapes are harvested, they must continue to focus on the prevention and treatment of diseases. The “new high fat film†+ fungicides + insecticides can be used to prevent and control diseases. The new high-fat film "can enhance the efficacy, no harm to the tree, neutral, can be mixed with any agent. In addition, attention should be paid to the prevention and control of insect pests such as chafers, grape hawk moths, and two-leaf leafhoppers. Fourth, Qingyuan After the fruit is harvested, the weeds in the garden should be cleared, and the diseased shoots, diseased leaves, diseased fruits, dead branches and debris collected from the garden should be brought out of the park and buried deep or burned to reduce the source of the disease and then spray the entire garden. General Tree" Sterilization.