Mango fertilization before harvesting is generally based on top dressing. In the 30 to 45 days before harvesting, it can be combined with spraying to cure diseases, and some foliar fertilizer containing high phosphorus and potassium is sprayed. In addition, spraying the fruit trees in the 60 days before harvest can inhibit the photorespiration consumption of the plants, increase the accumulation of photosynthetic products, and improve the quality and yield.
After mango picking fruit, fertilization can be carried out twice: the first fertilization is generally applied in August, with quick-acting fertilizer as the main purpose, the purpose is to restore the tree as soon as possible, and sprout the autumn shoot as soon as possible. Each tree is compounded with 0.5 to 1.0 kg of urea and 0.3 to 0.5 kg of urea. Drill the circular groove on the inside of the canopy drip line. In case of dry weather, water should be applied after fertilization. The second fertilization combined with deep-turning soil modification is generally carried out from mid-November to December, mainly based on farmyard manure, 20 to 30 kg of farmer's fertilizer per plant, 0.5 to 1 kg of compound fertilizer, and 0.3 to 0.5 kg of potassium fertilizer. Each plant adds 10 to 15 kilograms of fire mud, which can promote the heading and flowering of the tree.
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