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每hm2投入化学N肥375kg的基础上,在基肥中或基肥与第一次花铃肥中配施总量为2250kg棉仁饼,与单施化学N肥4875kg相比,棉花的皮棉产量可增加20%以上,投入与产出比提高60%左右;皮棉单产可达2000kg·hm-2以上。
Based on the chemical fertilizer N 375kg / hm2, the total amount of 2250kg cottonseed cake was applied in the basal fertilizer or the basal fertilizer and the first flower boll fertilizer. Compared with the single application chemical fertilizer 4875kg, the cotton lint yield Can increase more than 20%, input and output ratio increased by about 60%; lint yield up to 2000kg · hm-2 or more.