foliage spray meaning in English

叶面喷肥
叶面喷洒

Urea is commonly used as the source of nitrogen in foliage sprays .
尿素作为氮素给源普遍地应用于叶面喷布。
Application effect of quot; guocaixian quot; foliage spraying fertilizer on fruit tree
叶面肥在果树上的应用效果
Study on the effect of silicon fertilizer by foliage spray on yield increase of wheat and rice
水稻叶面喷施硅肥的增产作用研究