Sugar cane planted in the autumn, when growing 6-8 new leaves, 30-40 cm in height, the winter fertilizer should be applied to complete nitrogen, phosphorus, potassium-based fertilizer, appropriate application of phosphorus, potassium fertilizer. Nitrogen, phosphorus, potassium (15-15-15) compound fertilizer 25-30 kg per mu, superphosphate or calcium magnesium phosphate fertilizer 15-20 kg, potassium chloride or potassium sulfate 10-15 kg, the fertilizer is fully stirred and mixed After being even, apply it to the soil around the root of the autumn sugar cane, and apply a layer of soil about 8-10 cm thick to cover the fertilizer.
In addition, spray the 0.2% urea, 0.3% potassium dihydrogen phosphate, and 600-fold amino acid active liquid fertilizer mixture once every 7-10 days, or 1,000 times the green fenway 3, 800 times the phosphorus phosphorus potassium, 800 times humic acid active liquid fertilizer mixture, sprayed 2-3 times continuously, evenly spray all the leaves, in order to start dropping drops of water is appropriate.
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