本文围绕土壤固碳的基本问题，总结了农田土壤固碳潜力、土壤有机碳固定机制及其影响因素的国内外研究进展。
According to the previous researches over the world, the scientific progress was concluded, including the potential capacity and mechanism of soil carbon sequestration, influence factors as well.
国内研究表明，目前耕地的地力不稳，土壤有机碳密度较低，农田土壤固碳的潜力较大。
All research results showed that the cultivated land fertility was unstable; density soil organic carbon was lower.
国内研究表明，目前耕地的地力不稳，土壤有机碳密度较低，农田土壤固碳的潜力较大。
All research results showed that the cultivated land fertility was unstable; density soil organic carbon was lower.
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