A reference soil group in the World Reference Base for Soil Resources. Phaeozems comprise all soils with a mollic A horizon, except for chernozems and kastanozems.
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。