Courtyard pomegranate can not only beautify the environment, but also produce economic benefits. It has gradually become one of the preferred tree species for the cultivation of rural gardens. The author combines the characteristics of garden pomegranate tree planting and introduces the management of garden pomegranate tree in autumn and winter.
1. Autumn base fertilizer. After the fruit is harvested, it is very important to apply the appropriate amount of basal fertilizer. The autumn basal fertilizer should be completed before mid-October. Mainly organic fertilizer in farms, fertilizer can be mixed with appropriate amount of phosphorus and potassium fertilizers. The fertilization method has a good effect of radiation channeling. Fertilizer ditch depth of 30 to 50 cm, width 40 cm or so, the length, the number of strips depending on the circumstances.
2. Prune trim. Winter shears are mainly sparsely cut and long. The sparsely cut twigs in the canopy, crosses and branches, sprouting branches, dense pendulous branches, diseased branches and branches, dead branches, etc., can achieve both balanced tree vigor and improved ventilation and light transmission conditions; Fill in the internal hemorrhoids and enlarge the area of ​​the result; for the branches with serious relocation of the result site, the appropriate position should be selected for retraction; because the pomegranate's mixed buds are all born on the top or near the top of the robust short branches, therefore, these short branches As a result, the mother branch should pay attention to the long-term preservation, and it is forbidden to trim shortly.
3. Earth protects against cold. Cold temperatures in winter are likely to cause freezing damage to the roots of pomegranate trees. Before the winter soil is cut and frozen on the soil, it is necessary to plow the roots of the pomegranate to a thickness of about 20 cm, or to pile up the roots and necks to form a large dome-shaped mound. Height 40 to 60 cm. The soil required to be cultivated should be moist and loose, and soil should be taken at a distance from the root to prevent root damage. At the same time, attention should be paid to the timely removal of earth after thawing in the spring of the following year in order to prevent a large number of sprouting of roots.
4. Enclose the frozen water. Pouring frozen water is conducive to safe wintering of trees and prevention of spring drought in the second year, and can eliminate some of the overwintering pests. It is advisable to seal the frozen water before freezing on the soil. After the winter irrigation, it is necessary to protect the soil in time to prevent soil compaction.
5. Autumn and winter diseases and insect pests. The diseases and pests of autumn and winter of pomegranate trees mainly include aphids, peach aphid, red spider, dry rot, brown spot, and sesame. The prevention and control measures adopted for the above diseases and pests mainly include the removal of diseases and insects on the trees, the drying of diseased branches, the scraping of old cracks, the application of trunk cracks, and the removal of fallen leaves under the trees for deep or concentrated burning to reduce the source of the disease.
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