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叶面喷肥是人们把化学肥料配成一定浓度的溶液,借助喷洒器械将肥料溶液喷洒在植株上,使叶片的正反两面都被肥料溶液的小滴沾湿,使肥料有较长时间保持溶解状态,增大溶液与叶片的接触面积。通过叶片及背面的气孔直接吸收所需的养分,养分进入叶片的角质层后,以溶液态在角质层及原生质膜外围发挥养分源的作用,
Foliar fertilizer is the chemical fertilizers that people dubbed a certain concentration of the solution, with the help of spraying equipment, fertilizer solution sprayed on the plants, so that both sides of the leaves are fertilizer solution droplets wet, the fertilizer has a longer time to maintain Dissolved state, increase the contact area of the solution and the leaves. Through the leaves and the back of the pores directly absorb the nutrients needed, the nutrients into the stratum corneum leaf after the state of the solution in the stratum corneum and plasma membrane peripheral play a role of nutrient sources,