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How to fertilize fruit trees for high yield?
There are many varieties of fruit trees, which can be generally divided into five stages: the young tree stage, the early stage of the result, the period of the result, the later stage of the result, and the aging period. The requirements for nutrient elements are different in each period. In the sapling period, due to the vigorous growth of roots and shoots, a large amount of nitrogen and phosphorus are needed; in the result period, due to the large number of results, a large amount of nitrogen and potassium are needed, especially The fruit period is more; during the aging period, nutrients need to be weak, but to promote rejuvenation and maintain tree vigor, nitrogen supply should not be too little. The most important part of fruit tree fertilization is the application of basal fertilizer. The role of basal fertilizer is to improve the ecological environment of the fruit tree rhizosphere, fertilize the soil to provide fertilizer and fertilizer, and provide sufficient nutrients for fruit tree growth and results in the coming year. Generally, 20 kg of Shennong organic fertilizer and 3 kg of compound microbial fertilizer are applied to each plant. With the exception of basal fertilisers, the topdressing amount of fruit trees generally accounts for 40% of the total annual fertilizer requirement. The effect of top dressing is to timely supplement the urgent need of fruit trees for certain nutrients. Generally dwarf cultivated saplings, apply 0.5~1 kg compound biological fertilizer/strain, 1-3 kg/strain of biological organic fertilizer; 1~1.5 kg/strain of biological compound fertilizer applied at the initial fruit stage, bio-organic fertilizer 3- 5 kg/strain; application of bio-fertilizer 1.5~3 kg/strain, bio-organic fertilizer 5–8 kg/strain during fruit period, and fertility maintained for about 300 days. The yield per tree varies greatly. For adult fruit trees, the N, P, and K fertilizers can also be determined based on the yield. For example, 100 kg of apple should be topdressed with 0.4-0.7 kg of nitrogen fertilizer, 0.2-0.35 kg of phosphorus, and 0.4-0.7 kg of potassium. Nongfengshui Science and Trade Group Beijing Lishen Shennong Bio-organic Fertilizer Plant Beijing Nongfengshou Organic Bio-fertilizer Technology Co., Ltd. Address: No. 15 West Street, Jiaodian Road, Doudian Town, Fangshan District, Beijing Telephone Fax