Identification of Soil Types and Boundaries Based on Soil Taxonomy——A Case Study of Dading Mountain of Jurong

Soil survey technology based on soil taxonomy is still at the research stage in China.Taking example by soil survey method based on traditional genesic classification,this paper introduced the identification of soil types and soil boundaries based on soil taxonomy.Soil profiles were located by the traditional method and the number of profile was decided by terrain classification and mapping precision,soil types were determined by using diagnostic horizons and diagnostic characteristics.Soil boundaries were identified on the bases of demarcation points in different survey lines determined by the interpolation method and connected based on remote sensing images.The study showed that soil types and soil boundaries closely contacted with parent material,topography,vegetation,land use pattern and other landscape factors,thus,it is necessary to give full consideration to the landscape factors in the soil survey.