And the fractal characteristics of soil particle was studied,the results as follow:(1)There are the close relationship between the fractal dimensions of soil and granulometric composition of soil.

• 利用分形模型,计算了土壤颗粒的分形维数,对土壤颗粒的分形特征进行了研究,得出以下结论:(1)土壤颗粒分布的分形维数与土壤粒度组成有密切的关系。