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出典:Wikipedia
出典:『Wikipedia』 (2011/04/15 15:45 UTC 版)
The C/N ratio (C:N) or carbon-to-nitrogen ratio is a ratio of the mass of carbon to the mass of nitrogen in a substance. It can, amongst other things, be used in analysing sediments and compost. Carbon-to-nitrogen ratios are an indicator for nitrogen limitation of plants and other organisms.
Carbon to nitrogen ratio