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施锌、施氮有效棉田,氮锌配合子棉增产20.8%~37.5%,其中施锌肥增产4.6%~10.2%。子棉产量在3720~5030kg·hm-2时,硫酸锌用量为52~65kg·hm-2。
Zinc, nitrogen fertilizer effective cotton fields, nitrogen and zinc with cotton seed cotton yield 20.8% ~ 37.5%, of which zinc fertilization yield 4.6% ~ 10.2%. When the seed cotton yield is 3720 ~ 5030kg · hm-2, the dosage of zinc sulfate is 52 ~ 65kg · hm-2.