How to manage peach trees after summer and autumn
In the summer and autumn, many fruit farmers will not manage peach trees, especially early-maturing varieties. After harvesting, they will no longer be managed, resulting in long closures, which will bring a lot of harm. In winter, if the temperature is lower than -15 °C, many fruit branches often The phenomenon of freezing and dying of flower buds and branches has seriously affected the yield of the following year. Therefore, it is imperative to do a good job in the management of peach trees in summer and autumn, laying a good foundation for the harvest of the next year.
In recent years, most of the early-maturing varieties have a high planting density, all of which are above 83 trees/mu, and the two main branches are happy and trunk-shaped, which easily cause the park to close. If the summer and autumn field management is not strengthened, the nutrition will grow too much. , reproductive growth is reduced, flower buds are not formed well, and the tree is weak. Therefore, in the middle and middle of June, the mature peach trees should be harvested in the summer after harvesting the fruit. For the dense branches and long branches, it should be removed and properly cut short. At the same time, we should do a good job of topdressing and watering, adopt the method of ring-opening ditch, apply 40 kg of nitrogen, phosphorus and potassium compound fertilizer per acre and water it in time. For orchards with a density of more than 83 trees per acre, spray 200 times of 15% paclobutrazol on June 10 and June 25, respectively, to ensure the rapid formation of flower buds, control vegetative growth and promote growth.
The management of mid-late maturing varieties, pay attention to pruning in summer, focus on the removal of prolonged branches and long branches, and appropriate light and short cuts on other medium and long fruit branches. At the same time, pay attention to supplement nutrition when trimming in summer. When spraying pesticides, pay attention to the mixed application of foliar fertilizer and foliar fertilizer. Especially for late-maturing varieties, the nutrients consumed in autumn are large, and the nutrient accumulation in flower buds is less. In some years, there are frozen dead branches. Therefore, 50 kg of NPK compound fertilizer should be applied per mu per month before fruit ripening. Fertilizer is 1,500 kg per mu and mixed with compound fertilizer. The ditch is 25 cm deep and the ditch is 30 cm wide. It is 80 to 100 cm away from the center for topdressing.
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