Soybean supplementation of phosphorus and potassium fertilizer can increase production

Due to the long-term vegetative growth and reproductive growth of soybean, the absorbed NPK element is significantly higher than wheat and corn. Therefore, high yield of soybeans needs to supply sufficient nutrients. In addition to nitrogen, more phosphorus and potassium nutrients need to be supplied. The large amount of NPK absorbed by soybeans reaches the peak after the flowering and to the blast stage. Therefore, the application method of soybean is: before the flowering or at the beginning of flowering, 10-15 kg of urea per acre is applied to the ditch strip. . Phosphorus and potassium fertilizer is suitable for foliar spraying. It is possible to use 0.1%--0.3% potassium dihydrogen phosphate solution for about 50 kg per mu, which can be carried out for 2- to 3 times, with an interval of 7-10 days.
Huaxian County Shang Hongyan

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