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Peach trees are fruit trees that are big and big, and need to be watered in time for high yield. Watering the flowers in spring, pouring water in the “opening period†in summer, and applying “five fertilizers†in fertilization.
1. Pre-emergence fertilizer. It is generally applied 15 days before the beginning of spring, which can not only compensate for the problem of insufficient or no fertilization after fruiting, but also timely supplement the deficiency of nutrients in peach trees. Generally, 0.5kg of urea, 0.3kg of potassium chloride and 0.2kg of superphosphate are applied to each peach tree, which can be mixed with the manure and urine of the decomposed manure for root dressing.
2. Before the flower fertilizer. It is applied 15 to 20 days before flowering, mainly based on nitrogen fertilizer. Each plant can apply 0.5~1kg urea and boron fertilizer 0.25kg. Be sure to mix with farmyard manure.
3. Peach nuclear fertilizer. When the peach nucleus is formed, the amount of fertilizer needs to be increased. Fertilization should be supplemented in time. The whole potash fertilizer is the main factor, supplemented by nitrogen and phosphorus fertilizers. Nitrogen, phosphorus and potassium fertilizers are mixed with farmyard manure. Generally, potassium chloride is applied to each peach tree. ~0.5kg.
4. Picking fruit fertilizer. 1.5 to 20 days before fruit picking, the fruit expansion speed is accelerated, and the application of potassium fertilizer can effectively improve the yield and quality of peach. After fruit picking, nitrogen and phosphate fertilizers are mainly used, and about 1.5 to 2 kg of urea and 1 to 1.5 kg of superphosphate are applied per 50 kg of fruit to promote root development and enhance wintering ability.
5. Foliar fertilizer. Peach trees can be applied with foliar fertilizer from the leaves after the leaves are spread to the leaves within 20 days before the leaves are removed. It is also possible to use foliar fertilizer in combination with disease prevention and control, and use boron, zinc, manganese and potassium fertilizers as well. Spraying should be carried out on a sunny day. The fertilizer type is 0.1% to 0.25% boric acid, 0.1% zinc sulfate, 0.25% to 0.3% manganese chloride, 0.3% to 0.5% potassium dihydrogen sulfate, 0.2% to 1%. The ferrous sulfate can be appropriately added in a barren manner.
In addition, the peach tree variety should be selected as an excellent variety with large head and sweet taste. Under the peach trees, no crops are planted, no weeds are left; when trimming, it is densely and reasonably matched to ensure sufficient sunlight, and the pruning process should run through the whole growth period.
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