什么叫叶面施肥?答:作物除根部能吸收营养元素外,叶部也可以吸收养分,养分能从叶片角质层和气孔进入,最后通过质膜而进入细胞内,在体内同化和运转,这也是作物营养的一种方式。利用作物的这一特点,可以选择一定的肥料浓度的溶液,直接喷施于作物叶片上来补充辅助根部营养的不足,这就称之为叶面施肥,又叫根外 What is the foliar fertilization? A: In addition to root crops can absorb nutrient elements, the leaves can also absorb nutrients, nutrients from the stratum corneum stomata and stomatal entry, and finally through the plasma membrane into the cell, assimilation and operation in the body, which It is also a way of crop nutrition. Use of this feature of crops, you can choose a certain concentration of fertilizer solution, sprayed directly on the crop leaves to supplement the nutritional deficiencies of the auxiliary root, which is called foliar fertilizer, also known as the root