Mulberry post-harvest fertilization management
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After harvesting the fruit, the mulberry fruit will be cleared in time to clear all kinds of weeds and litter and fruit around the mulberry tree, and then digging deep and wide circular halves of 25~30 cm around the canopy drip line, and then planting each tree 4~5 kg of rotted human and poultry manure, 0.5~0.75 kg of NPK or 155% sulphate or pure sulphur-based compound fertilizer, and 0.25~0.5 kg of compound biological fertilizer. After thoroughly mixing and mixing all the fertilizers, spread them evenly in the circular shallow groove and cover the soil. In addition, at the same time as fertilization at the root, it is necessary to carry out root dressing and supplement various nutrients from the foliage. After picking the fruit from the mulberry tree, 0.1% magnesium sulfate, 0.2% urea, 0.3% potassium dihydrogen phosphate, 600 times amino acid active liquid fertilizer, and 1500 times 0.01% natural brassin mixture must be sprayed every 7-10 days. Spray 2~3 times, evenly spray all the leaves to start dripping with water drops. Huang Jiannan Farmers Daily
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