In mid-August, it is the harvest season for peppercorns, and it is also a key season for management in the year. After the pepper is harvested, the payment of nutrients is shifted to the consumption of the supplemental tree and begins to be stocked and used for shoot growth. Only by strengthening management during this period can the branches grow vigorously and the nutrients in the tree can be more accumulated and stored, laying a solid foundation for increasing production in the following year.

The first task after the protection of the leaves of Zanthoxylum bungeanum is to protect the leaves, because during this period, the nutrient produced by the leaves turns to tree nutrient accumulation. It is imperative that the leaves of Zanthoxylum bungeanum remain intact and dark green before harvesting to make more nutrients. Therefore, after picking peppers, apply 0.3% potassium dihydrogen phosphate + 0.5% urea + 800 times new high fat film mixed solution to the tree.

According to the trial of early-stage base fertilizer, the use of basal fertilizer after the harvest of pepper in mid-August was 9.1% higher than that of base fertilizer in mid-November. Therefore, the basal fertilizer is applied immediately after the pepper is harvested. At this time, the ground temperature and temperature are high. The nutrient decomposition after fertilization is fast and the root system absorbs more quickly, which can significantly increase the photosynthesis of the leaves, which is extremely beneficial to restoring the tree vigor. At the same time, it is the third peak of growth of the root system of Zanthoxylum bungeanum. The rooting of the root is easy to heal and it can stimulate the new roots. The growth of the shoots gradually stopped, and the nutrients absorbed by the roots continued to accumulate and be stored. The nutrient levels of the trees were continuously increased, which was conducive to budding, flowering and fruit setting in the following year. The amount of fertilizer should be determined according to age, tree vigor, and fertility. The general results of the peak of the pepper tree, each strain of organic fertilizer applied 30-50 kg, with 0.3-0.5 kg compound fertilizer. Fertilization method can be used ring groove or radiation fertilization method, groove depth of 30 cm is appropriate. Watering immediately after fertilization will have better results.

The control is prosperous Due to severe cold injury during the Spring Festival this year, the number of peppers is small, the trees are generally prosperous, new shoots are issued, and the degree of lignification is poor, which is extremely unfavorable for safe tree wintering. First, after the harvest of pepper, strong branching and re-branching of the big tree Wangzhi will be carried out to ease the tree potential and control the growth. Second, after the harvest of pepper to the tree body twice to promote Kao Wang No. 3, two intervals of 10 days or so, control and prosperous, to ensure safe winter pepper tree.

The cultivated roots of Zanthoxylum bungeanum are more often planted on slopes or sloping edges and are washed by rainwater. Some of the roots are exposed, and the initiation and absorption of new roots are inhibited, and the antifreeze and drought resistance properties are reduced. Therefore, immediately after the pepper is harvested, the roots should be rooted and the exposed roots should be buried in order to develop the root system in depth, improve drought resistance and freezing tolerance, and enhance absorption.

After clearing the garden with peppers, it is necessary to cut off dead branches, pests and branches in time, clear the fallen leaves of the garden, and bring them out of the park to burn them, reducing the source of wintering diseases and insects. Second, weeds should be cleared of weeds in and around the park to reduce nutrient consumption and destroy pests and wintering sites. Third, we must spray pesticides to prevent pests and diseases. After picking peppers, we must spray and spray a general tree guard to sterilize and seal the garden as soon as possible so as to reduce the harm of pests and diseases in the coming year. (Autumn Maple)

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