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 are 5 diagnostic horizons, such as Ochric epipedons, Argic horizon, Claypan, Hydragric epipedon, Hydragric horizon;
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 are 5 diagnostic horizons, such as Ochric epipedons, Argic horizon, Claypan, Hydragric epipedon, Hydragric horizon;
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