叶面用肥可及时补充蔬菜不同生长阶段对肥料的需求，只有根据收获对象进行正确选用，才能恰到好处。１、瓜果类：包括各种瓜类、西红柿、茄子、辣椒、豆角等，应采用氮、磷、钾混合肥或多元复合肥。如磷酸二氢钾（０３％—０５％）、磷酸二铵（２％）等。２、根茎类：... Foliar fertilizer can be timely replenishment of vegetables at different growth stages of the fertilizer needs, only based on the correct selection of objects harvested, in order to just right. 1, fruits and vegetables: including a variety of melons, tomatoes, eggplant, peppers, beans, etc., should be nitrogen, phosphorus and potassium fertilizer or compound fertilizer. Such as potassium dihydrogen phosphate (0  3% -0  5%), diammonium phosphate (2%) and so on. 2, rhizomes: ...