第二节 我国土壤的分类 6、土种（soil species） 土种是土壤分类的基层单元，根据土壤发育 程度或熟化程度来划分，土种是生产和群众 用土时采用，如马肝土，黄泥土等。
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To analyze the easily - happening accidents of the various foundation soil species in the urban area, find out their causes and point out the precautionary ways and dealing measures.
本文对城区不同地基类型中易发事故的分析，找出了事故原因，提出了预防方法和处理措施。
The major soil species suited for vegetable were gray salt paddy soil, gray mud paddy soil and black salt paddy soil, which occupied 92. 42% of total fields suited for vegetable in Licheng.
全区宜菜地土壤类型主要为灰埭田、灰泥田和乌埭田，占全区宜菜地总面积的92.42％。
As a result of these diverse methods by which plants supply resources, unique soil communities form under different plant species and under plant communities that differ in composition.
由于植物提供资源的方法不同，在不同的植物种类和组成不同的植物群落下形成了独特的土壤群落。
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