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作物生长发育不仅需要各类大量营养元素(如氮、磷、钾等),而且也需要各类微量元素(如钼、锰、铜、铁、锌等).锌就是玉米生长发育所必需的微量营养元素之一。锌对促进玉米生长素形成、顶芽、叶片生长,体内叶绿素含量、有机物代谢、以及酶的活化等,都起着重要的作用。缺少锌玉米生长发育就受阻,叶片表现出颜色发白失绿之症,
Crop growth and development not only need a variety of nutrients (such as nitrogen, phosphorus, potassium, etc.), but also need all kinds of trace elements (such as molybdenum, manganese, copper, iron, zinc, etc.) Zinc is the growth and development of corn trace One of the nutritional elements. Zinc plays an important role in promoting the formation of auxin, terminal bud, leaf growth, chlorophyll content, metabolism of organic matter, and enzyme activation. The lack of growth and development of zinc corn is blocked, the leaves showed a pale green color of the disease,