地下茎，根茎，块茎：任何其它植物的地下部分，尤指根茎、球茎或块茎等地下茎。
Any of various other underground plant parts, especially an underground stem such as a rhizome, corm, or tuber.
遮荫对植物地上部分的生物量影响却明显低于地下部分的。
The effect of shading on biomass of plant aerial portion was obvious lower than that of plant under ground portion.
遮荫对植物地上部分的生物量影响却明显低于地下部分的。
The effect of shading on biomass of plant aerial portion was obvious lower than that of plant under ground portion.
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