C‐N ratio - carbon‐nitrogen ratio

Japanese: C‐N率 - シーエヌりつ(英語表記)carbon‐nitrogen ratio
C‐N ratio - carbon‐nitrogen ratio
The ratio of carbon to nitrogen contained in plants or in humus in soil. It is also written as C/N ratio and is called carbon-nitrogen ratio. It is used in the following two cases. (1) When trying to explain the flowering phenomenon (the formation of flower buds) in higher plants by the ratio of carbon and nitrogen within the body. The idea that plant flowering is influenced by the nutritional state within the body was presented in the 1900s by H. Fischer (1916), G. Klebs (1918), and others, and the concept of C-N ratio was also presented in that paper.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:
植物あるいは土壌中の腐植などに含まれている炭素と窒素の比率。C/N率とも書き,炭素‐窒素比ともいう。次の二つの場合に使われる。(1)高等植物における花成(花芽が形成されること)現象を体内の炭素と窒素の割合によって説明しようとする場合。植物の花成が体内の栄養状態によって影響されるという考え方は,1900年代にはいり,フィッシャーH.Fischer(1916),クレプスG.Klebs(1918)などによって示され,その中でC‐N率の概念も提示された。

出典 株式会社平凡社世界大百科事典 第2版について 情報

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