According to the different causes and the results, the soil deterioration in this area could be divided into five types: soil erosion, desertification, soil impoverishment, soil pollution, so...

• 根据土地退化的成因、结果,将珠江上游南、北盘江流域(贵州部分)土地退化划分为:土壤侵蚀、石漠化、土地贫瘠、土壤污染、土壤破坏五种类型,并提出了退化土地的管理及恢复措施。