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1984年开始研究棉花锌素营养,多年多点试验及1000多亩示范结果表明,在缺锌土壤上:(1)施锌能提高叶绿素含量。在潜在性缺锌棉田,喷施锌7～10天后,叶绿素含量提高了45.6%。施锌处理的总光合强度
1984 began to study the zinc nutrition of cotton, multi-year trial and 1000 mu demonstration results show that in zinc-deficient soil: (1) zinc can increase chlorophyll content. In the potential zinc-deficient cotton fields, the chlorophyll content increased by 45.6% after spraying with zinc for 7 to 10 days. Zinc treatment of the total photosynthetic intensity