Using the taxonomy principles and methods of the basic units of World soil taxonomy, soil series in Chengdu Plain were divided.

以国际土壤系统分类的基层单元的划分原理和方法，研究建立了成都平原的土系。

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Using the taxonomy principles and methods of the basic units of World soil taxonomy, soil series in Chengdu Plain were divided.

以国际土壤系统分类的基层单元的划分原理和方法，研究建立了成都平原的土系。

youdao