Plant community has a great influence upon the physicochemical properties of soil and nutrient inversion.

植物群落对土壤理化性状及土壤养分转化的影响都很显著。

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Method: the physicochemical properties of soil were analyzed, the geologic background system between producing areas of Yunnan and Guanxi of P. notoginseng was compared.

方法比较云南、广西三七产区的不同地质背景系统，分析土壤理化状况。

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Through changing the residence time of solution in soil and physicochemical properties of rhizosphere, reed can disadvantageously affect the purifying efficiency of wetland soil to phenol.

芦苇可以通过改变根际和非根际土壤性质以及溶液在土壤中的滞留时间，从而影响湿地土壤对苯酚的净化能力。

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