蔬菜在生长发育过程中,除需要大量的氮磷钾元素外,还需要铁、锌、硼、铜、锰、钼等微量元素,一旦缺少,蔬菜的生长发育和产量都会受到影响。而叶面追肥用量少、肥效快、易被蔬菜直接吸收,适合蔬菜叶面喷施的微肥有以下几种:一、铁肥在石灰性土壤、盐碱地及含钙、磷、锰、铜较多的土壤中易缺铁。 Vegetables in the growth and development process, in addition to a large number of NPK elements, but also need iron, zinc, boron, copper, manganese, molybdenum and other trace elements, once the lack of growth and yield of vegetables will be affected. The foliar fertilizer with less, fast, easily absorbed by vegetables, suitable for foliar application of foliar fertilizer in the following categories: First, iron fertilizer in calcareous soil, saline and calcium, phosphorus, manganese, copper More soil easily iron deficiency.