水稻、包谷、果树等植物在生长过程中,不仅要大量的氮、磷、钾肥,而且需要适量的钙、锌、硼、镁、铁等微量元素,才能生长发育良好;如果缺其一种或供量不足,就会出现缺素症。“缺锌症”就是其中一种。缺锌或锌素不足,就会影响植物 In the process of growth, plants such as rice, corn and fruit trees not only need a large amount of nitrogen, phosphorus and potassium fertilizer, but also require proper amounts of trace elements such as calcium, zinc, boron, magnesium and iron to grow and develop well; if they lack one or Inadequate supply, there will be lack of disease. “Zinc deficiency ” is one of them. Zinc deficiency or zinc deficiency, it will affect the plant