Do not engage in a lot of pruning in the autumn After the fruit is picked, let the leggy branches and development branches grow. In fact, this is a misunderstanding. At this time, the autumn season, light, heat and other atmospheric conditions conducive to photosynthesis of fruit trees. Through the short cut, thinning, retracting branches, pressing down the branches, "open skylight" and other technical measures to create conditions for the group to ventilate light, which is of great significance for enriching flower buds and reserve nutrition. Do not apply basal fertilizer in accordance with the conventional management, early in the fruit trees after picking early varieties of base fertilizer should be carried out in time, these fertilizers are mostly high-quality ring fertilizer, soil miscellaneous fertilizers, plant straw and other organic fertilizer and mixed with compound fertilizer. After fertilization combined with deep garden soil, timely watering in order to play a fertilizer effect. At this time, the conditions of temperature and soil moisture are appropriate, which is conducive to promoting the healing of new roots and wounds, as well as the absorption and utilization of fertilizer and water by roots. Once the opportunity is missed, there will be no waste of light, heat, water and fertilizer resources. Fear of the roots of the tree can be normal growth and development, mainly to see whether the root system has a good ecological environment. Such as loose soil ventilation, fertilizer and water conditions are appropriate, fruit trees will naturally grow. For the moment, many orchards have had their soil compacted and their roots are not functioning properly, resulting in poor tree growth. In particular, in some black clay orchards, the annual application of chemical fertilizers does not apply fertilizer, which intensifies the degree of soil compaction; there are also many orchards who seldom give the orchards the opportunity to loosen the soil, and mistakenly believe that the land will be damaged, year after year, soil More and more hardened. After spraying the fruit, no spraying is required. After spraying the fruit, some people think that it is an overkill. After the autumn fruit is harvested, the tree has a natural rest period. The people are commonly called "breaking trees." At this time spraying is mainly disease prevention and pest control, protection of the leaves, in order to use the light and heat conditions in autumn to extend the effective period of the leaves, increase the utilization of photosynthetic, increase nutrient accumulation, reduce the source of overwintering and disease. The main targets for prevention and treatment are pear black spot disease, apple brown spot, leaf roller moth, and gold leaf moth. Do not attach importance to branching and top branch opening angles. During the whole growing season, the fruit volume gradually enlarges, the tree load increases, and the angles of the main branch and the auxiliary branch are increased, so that the ventilation and light transmission conditions can be improved. During the period from fruit ripening to harvesting, the angle of the tree reaches the best state. Within a period of time after the fruit is harvested, the angle of the tree has a relatively stable period. When the angle of the plant can not be recovered in the production, the top and the bottom are pulled. Technical measures such as bracing and bracing are fixed.
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