She established that weak properties of a thin Calcaric Regosol had been developed. |
The soil in the study area is called purple soil and classified as Pup-Orthic Entisols in the Chinese Soil Taxonomy and Eutric Regosol in FAO Soil Classification. |
Purple soils, taxonomically designated as Eutric Regosol according to FAO soil classification, are developed from sedimentary redbed rocks of various geologic epochs. |