植物地上部重金属含量与植物地上部生物量的相关分析表明，植物对重金属的积累量与植物地上部生物量的大小无关。

The analysis of the correlation between heavy metal content and biomass of aboveground parts indicated that the heavy metal accumulation was not correlated with the biomass.

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根茎型植物的根生物量与地上生物量的比值为0.2，显著高于须根型湿地植物（0.1）。

The ratio of root biomass to shoot biomass of rhizomatic root plants was 0.2, which was higher than that of fibril root plants(0.1).

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根茎型植物的根生物量与地上生物量的比值为0.2，显著高于须根型湿地植物（0.1）。

The ratio of root biomass to shoot biomass of rhizomatic root plants was 0.2, which was higher than that of fibril root plants(0.1).

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