黏化层
- 网络argic horizon
黏化层-
黄土高原（土娄）覆盖层与黏化层的土壤水文效应
Soil hydrologic effect of the earth-cumulic surface horizon and the argic horizon of Lou soil in Loess Plateau
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通过对各土系的典型单个土体的全面的理化分析，确定样区土壤发育有淡薄表层、黏化层、黏磐层、水耕表层和水耕氧化还原层5个诊断层；
Through the complete analyzing of representative pedons , there are5 diagnostic horizons , such as Ochric epipedons , Argic horizon , Claypan , Hydragric epipedon , Hydragric horizon ;