Key points of fertilization techniques in Persimmon Orchard

1. Fruit-picking fertilizer: generally applied before sprouting after defoliation, it can be combined with ploughing and ploughing in the garden in winter to re-apply base fertilizer, accounting for about 60% of the whole year. Mainly organic fertilizer, with a small amount of inorganic fertilizer. Each tree can apply 100-200 kg of rotten farm manure, 15 kg of plant ash, 10-20 kg of human urine, 4 kg of superphosphate and 0.5 kg of urea. Dig a strip ditch at the dripping place on the outer edge of the crown, with a depth of 25-40 cm, and cover the soil in time after fertilization. two。 Pre-flowering fertilizer: generally applied before spring germination, the amount of fertilizer application accounts for about 20% of the whole year, mainly nitrogen fertilizer, combined with phosphorus and potassium fertilizer, ditch or hole application, ditch depth or hole depth 15-20 cm, nitrogen fertilizer 0.1-1.5 kg, potash 0.5-1 kg, phosphate 0.25-0.75 kg. 3. Stable fruit fertilizer: Lesser Heat before and after application, the amount of fertilizer accounted for about 20% of the whole year, the application of available nitrogen fertilizer, combined with phosphorus and potassium fertilizer. The plant applied 0.5-1.5 kg nitrogen fertilizer, 0.5-1 kg potassium fertilizer and 0.25-0.75 kg phosphorus fertilizer. 4. Extra-root topdressing: spraying 0.5% urea, 200 times phosphate fertilizer with potassium dihydrogen or photosynthetic micro-fertilizer for 3-4 times in the growing season of persimmon.