摘要
针对甘肃秦王川地区土壤的自然特征，对双层结构的土壤入渗特性进行了试验研究，对入渗的物理过程及其土砂界面处的最大临界含水量进行了论述及测定，结果表明该类型土壤结构对提高土壤蓄水能力有明显作用。
According to the natural characteristics of soil in Qinwangchuan area,the infiltration features of soil with doublelayer structure were studied by the way of lab experiments,the physical processes of infiltration and the maximum critical water content at the interface between sand layer and soil layer were analyzed and measured.The results indicate that this kind of soil structure plays a very remarkable role in improving the soil water storage capability.
