According to the growth habits and experience over the years, fertilization should be applied twice in spring: once every 30 days before flowering, and once before 5 and 6 days before flowering (most areas in southern Guangxi are in full bloom in mid-May and late) . According to the calculation of 50 kg of fresh fruit per mu, it is generally required to apply 20 kg of urea per acre, 30 kg of calcium magnesium phosphate, and 10 to 15 kg of potassium chloride. The first application of urea 7.5 kg, 15 kg of phosphate fertilizer, mixed application; the second application of urea 12.5 kg, phosphate fertilizer 15 kg, potassium fertilizer 10 ~ 15 kg, mixed application.
It should be noted that the fertilizer applied after the rain stops planting will dissolve, and the seedlings will be easily absorbed; if the fertilizer is too concentrated, the fertilizer will be burnt and the seedlings will be burned, resulting in reduced yield or loss. In the case of drought, it can be fertilized by artificial watering. In addition, before fertilization, the garden must be cleared, and the dead, weak, and diseased seedlings should be removed, and the leaves on the planted land should be covered to facilitate growth and facilitate artificial pollination. Also pay attention to repair the sidewalks and drainage ditch of the site; if the seedlings are insufficiently shaded, trees should be planted in the spring.
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