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Fruit mulberry fertilization technology
In order to meet the requirements of various nutrient elements for tree growth and good fruit development, the principle of fertilization is: organic fertilizer is the main factor, supplemented by chemical fertilizers; summer-harvesting budding fertilizers are mainly used, and others are supplemented; N, P, and K are appropriate. Collocation. In the first year, in order for the plants to grow rapidly, organic fertilizers should be applied as much as possible to meet the vegetative growth, so as to lay the foundation for fruit picking for the second year. In general, the basic fertilizer organic compound fertilizer is applied at 100?, and in the first half of June, the urea fertilizer is applied at 15? In the early August, the camera fertilized 10 kg. When fertilizing, look at tree vigor and operate flexibly. Fertilizer is spread on the periphery of the main pole 15-30?. After the second year of planting, the plant can be put into production. The annual amount and method of fertilizer application after the plant is put into production: Generally, the "Top Ten" fruit mulberry needs total fertilizer NPK ternary compound fertilizer 70 per mu, high-quality organic fertilizer 60 gram, or organic compound fertilizer 100 kg. The specific fertilization and time can be divided into two stages in four stages: After the first stage of the summer harvest, it is said that the shoot fertilizer is strong, and the compound fertilizer is applied at a high concentration of 20-30? per acre, which is applied twice. After the first summer harvest (in mid-June), the compound fertilizer was applied 20 times. The second time in late August, 10 mu of compound fertilizer was applied per mu to promote the robust growth of shoots. In the second stage, the buds are called fruit fertilizers and they are applied in two separate ways. For the first time, before the germination of fruit mulberry (about the end of February), organic high-concentration compound fertilizer 50-60? The last time fertilization is applied in mid-April, the fertilization depends on tree vigor and fertilization. The trees with particularly strong growth are less or not applied, and the growing plots are not very prosperous. The purpose is to promote the growth of young fruit. Fertilization can be applied after the rain. Fruit mulberry needs boron to grow, add 0.1% boron fertilizer to prevent insect pests in the flowering period after budding in the spring, which can save labor and increase efficiency.