Topographic features of each soil sampling unit selected from the different cropping and land-use systems in the Dura sub-catchment, northern Ethiopia.

Topographic features of each soil sampling unit selected from the different cropping and land-use systems in the Dura sub-catchment, northern Ethiopia.埃塞俄比亚北部杜拉子流域（Dura sub-catchment）内，从不同种植制度与土地利用系统中选取的各土壤采样单元的地形特征。