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紫色土
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紫色土
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紫色土
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Purplish soils
紫色土
热带、亚热带地区紫色岩风化形成的初育土。属石质初育土亚纲。在中国土壤系统分类(2001)中,相当于紫色湿润雏形土、紫色正常新成土等类型。在美国土壤系统分类(2014)中,相当于湿润始成土[注]、正常新成土[注];在联合国世界土壤资源参比基础(2014)中,相当于薄层土[注]、疏松岩性土[注]。
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