结论：滇重楼不同采收期薯蓣皂苷元的含量是不同，在实际应用时根据不同需要适时采收。

The contents maintained the same level from July to October. Conclusion: The contents of diosgenin in P. polyphylla var. yunnanensis varied with the collecting seasons.

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通径分析结果表明，滇重楼总皂苷含量主要受其根际土壤碱解氮的影响，其次为土壤有机质和脲酶活性。

Path analysis indicated that total saponins of rhizome mainly affected by alkaline nitrogen in soil rhizosphere, secondly by soil organic matter and soil urease activity.

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