在药用植物生长期间,以无机肥料、微量元素或生长激素等的稀薄溶液,结合人工降雨或用喷雾器将低浓度肥料水溶液喷布到植株上,借着水分的移动,从叶和枝梢的气孔进入植株体内部的施肥方法,称为叶面追肥,又称根外追肥。 During the growth of medicinal plants, with a thin solution of inorganic fertilizers, trace elements or growth hormones, combined with artificial rainfall or sprayer to spray low concentrations of fertilizer aqueous solution onto the plants, by the movement of moisture from the leaves and shoots of the pores Into the plant inside the fertilization method, known as foliar top dressing, also known as top dressing.