该项研究通过实地调查和模拟试验,将黄泛沙地土壤按基本粒组的粒度划分为中沙型、细沙型和粗粉型,并测得3种粒度类型土壤的总孔隙度分别为43.47％、46.99％和51.50％,田间持水量分别为19.7％、23.10％和26.6％。为发掘沙地的生产潜力和提高沙地营林管理水平提供了理论依据。 In this study, through field investigation and simulation experiments, the soil of the yellow pan sandy soil was divided into the medium sand type, the fine sand type and the coarse powder type according to the grain size of the basic grain group, and the total porosity of the soil of the three grain size types was measured as 43.47%, 46.99% and 51.50%, respectively. The field water holding capacity was 19.7%, 23.10% and 26.6% respectively. It provides a theoretical basis for exploring the productive potential of sandy land and improving the management level of sandy land.