碱化土壤是一种以小面积出现的广泛分布在世界干旱,半干旱和半湿润地区的低产土壤(通常称为“碱斑”),而且作为一种隐域性土壤分布于各生物气候带。碱化土壤是指吸收性复合体含有较多代换性钠的土壤。各国划分碱土的标准并不一致,目前国际上大多采用美国的 Alkalized soil is a low-yielding soil (commonly known as “Alkali Spot ”) that occurs in small areas throughout the world in arid, semi-arid and sub-humid areas and is distributed as a hidden soil in various organisms Climate zone. Alkalized soils refer to soils that contain more substitutional sodium in an absorbent composite. The standards for dividing the alkaline earth in various countries are not the same. At present, most of the countries in the world use the United States