植物的绿叶,不但可以进行光合作用,而且能够吸收养分来营养自己。因此,把肥料直接喷施在作物的茎叶上,以补充其营养不足,叶面喷肥可以防止养分在土壤内被固定和转化,并且对养分的吸收比根部要快得多,具有速效性,是根部营养的一种补充手段,在作物根系吸收能力差或由于该种元素施 Green leaves of plants, not only for photosynthesis, but also to absorb nutrients to nourish themselves. Therefore, the fertilizers are sprayed directly on the stems and leaves of crops to supplement their undernutrition. Foliar fertilizers prevent the nutrients from being immobilized and transformed in the soil, and they absorb nutrients much faster than the roots and are quick-acting , Is a complementary means of root nutrition, poor absorption capacity in the crop roots or due to the elements of Shi