根是吸收营养的主要器官,而叶亦具有吸收营养的功能,因此,叶面施肥也常为现代农业生产所应用.我国随着各种农作物栽培技术的不断发展,在土壤施肥的基础上,也积极开展研究叶面施肥作为调整或补救各种农作物对某种营养元素的需求,在农艺及园艺上的应用也日益增多. Root is the main organ that absorbs nutrients, and leaves also have the function of absorbing nutrients, therefore, foliar fertilization is often applied to modern agricultural production.With the continuous development of various crop cultivation techniques in our country, on the basis of soil fertilization, Also actively carry out research on the foliar fertilization as a need to adjust or remedy a variety of crops on a nutrient element, agronomic and horticultural applications are also increasing.