Moreover, CO_2 enrichment significantly increased the root to shoot ratio of red birchseedlings and the dry weight of roots.
同时，CO_2浓度升高使红桦幼苗的根冠比显著增大；根系干重显著增加。
参考来源 - 大气COMeanwhile,root to shoot ratio of the ramet grown in low light intensity and high nutrient availability significantly increased while that of the ramet grown in high light intensity and low nutrient availability greatly decreased.
同时，低光高养下分株的根冠比相对增加，而高光低养下分株的根冠比相对下降。
参考来源 - 克隆植物对异质性环境的生态适应对策·2,447,543篇论文数据，部分数据来源于NoteExpress
Increasing its root to shoot ratio is a plant strategy for restoring water homeostasis in response to the long-term imposition of mild water stress.
在长时间轻度水分胁迫条件下，植物会增加根与地上部的比例以恢复水分的平衡。
Root to shoot ratio of upland rice (0.116) was remarkably bigger than that of paddy rice (0 087). Root respiration rate of the former was 2.7 times of the latter.
覆草旱作的根冠比(0.116)显著大于常规水稻(0.087)，前者的根系呼吸强度是常规水稻的2.7倍。
The higher the precipitation, the greater the root depth, total root length and root diameter, the more lateral roots and the lower ratio of root to shoot.
降雨量越大，根系越深、总根长越大、根系直径越大、侧根越多、根冠比越低。
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