Soil organic matter(SOM) is always a research focus in the soil and environmental science.

土壤腐殖物质一直是土壤学和环境学领域的研究热点。

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Radiocarbon of soil organic matter (SOM) in Dinghushan subtropic forest has been adjusted by the "bomb-effect".

对鼎湖山亚热带森林土壤有机质(SOM)放射性碳进行了核爆效应校正。

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The carbon in soil organic matter (SOM) is a significant component of the earth's carbon reservoirs, and participates in the global carbon circulation.

土壤有机质中的碳是地球碳库的重要组成部分，它参与全球碳循环。土壤有机质分解而产生的CO2和CH4是重要的温室气体。

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