土壤有机碳动态是土壤碳循环研究中的关键,虽然取得了一定的成果,但仍存在许多问题急需解决。本文综述国内外影响农田土壤有机碳(SOC)动态的因素,列举近年来SOC动态研究中新方法的应用,综合评价各方法的优缺点和适宜使用范围;提出SOC动态研究中存在的问题,并指出今后SOC可能的研究方向。 Soil organic carbon dynamics is the key to soil carbon cycle research. Although some achievements have been made, there are still many problems to be solved. In this paper, the domestic and international influencing factors of soil organic carbon (SOC) in farmland are summarized. The application of new methods in SOC dynamic research in recent years is summarized. The advantages and disadvantages of each method are summarized and the suitable scope of application is proposed. Pointed out the possible research direction of SOC in the future.