1 作用 锌是植物正常生长发育的必需微量元素之一,锌是酶的活化剂,可影响植物的氮素代谢,参与生长素和碳水化合物的合成和转化,影响植物的光合作用,植物缺锌使生长受阻形成小叶病或簇叶病,并且叶子黄化。 土壤有效锌低于1毫克/千克时就表现为缺锌,最常见的缺锌土壤有:全锌量低的被淋洗的酸性土壤;碱土;花岗岩和片麻岩发育而成的土壤;过 1 Effect Zinc is one of the essential trace elements for normal growth and development of plants. Zinc is an enzyme activator that can affect plant nitrogen metabolism, participate in the synthesis and transformation of auxin and carbohydrates, affect plant photosynthesis, zinc deficiency of plants Obstruct growth to form leaflet disease or leaf disease, and leaf yellowing. Soil available zinc below 1 mg / kg showed zinc deficiency. The most common zinc deficient soils were: leached acid soils with low total zinc; alkaline earth; soils developed from granite and gneiss;