植物生长需要量虽微 ,但微量元素锌、铁、硼、锰、铜、钼 ,它们在维持植物正常生长发育方面的重要性与大量元素是相同的 ,植物在大量元素养分充分满足作物需要的条件下 ,微肥在提高作物产量和改进产品品质方面有显著效果 ,但是 ,如果施用不当 ,不仅不能增产 ,甚至会使作物受严 However, trace elements such as zinc, iron, boron, manganese, copper and molybdenum are important in maintaining the normal growth and development of plants in the same way as macronutrients. Plants that meet the needs of a large number of crops when their nutrient content is sufficient Under the condition, the trace fertilizer has the remarkable effect in improving the crop yield and improving the product quality, but if not properly applied, it not only can not increase the yield but also can make the crop severely affected