叶面喷肥作用大喷肥即根外追肥，是将肥料配成一定浓度的溶液，均匀喷洒在植物的叶、茎、花、果上，肥料中的养分通过表皮被植物吸收利用的一种经济、有效的施肥方法。其优点。一是肥效快。肥液喷施在植物体表，数十分钟就可进入植物体内，数小时后就可发挥作用。二是利用... The effect of foliar fertilizer is the large fertilizer that is topdressing fertilizer, fertilizer is dubbed a certain concentration of the solution, evenly sprayed on the leaves, stems, flowers, fruits, nutrients in the fertilizer through the epidermis by a plant to absorb the use of a Economic and effective fertilization methods. Its advantages. First, fertilizer fast. Fertilizers sprayed in the plant surface, tens of minutes into the plant body, a few hours later can play a role. Second, use ...