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本文应用诊断定量的中国土壤系统分类方法 ,探讨了豫东平原土壤系统分类的高级单元 ,并在土壤基层分类认识的基础上 ,对研究区域的土壤基层单元提出了具体的划分 .
In this paper, we use the diagnostic and quantitative soil taxonomy in China to discuss the advanced units of soil system classification in the eastern Henan Plain. Based on the classification of soil basement, we propose a specific division of the soil base unit in the study area.