The fertilizer =-at the age of 14 days after planting, fertilizer, urea or ammonia should put sulphate rate of 20-25 kg/ไร่ื-at the age of 35-40 days, 15-15-15 fertilizer in a rate of 20-50 kg/Rai. fertilizer application method of the source away from the beginning of the 80s, strewn far apart 7 cm. Or, convert the burner method. After removing the water, fertilizer, or to remove a transform, water.
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