The perennial rhizomes formed closely crowed belowground networks.
多年生根茎在沙基质中形成多层密集网络结构；
Belowground biomass in light degraded grassland is higher than in severely degraded grassland.
轻度退化草地地下生物量明显高于退化草地。
Grasslands play a significant role in terrestrial ecosystem carbon cycle due to large biomass stored belowground.
温带草地大部分生物量分布在地下，地下生物量在草地生态系统碳循环中起着重要作用。
The content of nitrogen at lower stubble height was higher than that at higher stubble with in the belowground organs, opposite to the underground.
刈割后，地上器官中的氮素含量低茬刈割处理高于高茬刈割处理，地下器官恰好相反。
The content of nitrogen at lower stubble height was higher than that at higher stubble with in the belowground organs, opposite to the underground.
刈割后，地上器官中的氮素含量低茬刈割处理高于高茬刈割处理，地下器官恰好相反。
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