土壤碳铁耦合实验设计研究进展

doi:10.19754/j.nyyjs.20260228017

摘要/Abstract

摘要： 土壤是陆地生态系统中最大的有机碳库，在全球碳循环中起重要作用。土壤中铁氧化物通过矿物-有机保护作用调控有机碳的固持与矿化过程，是土壤碳循环的关键机制之一。目前土壤碳-铁耦合的实验研究已逐步拓展。为系统梳理土壤碳-铁耦合实验设计的研究进展，本研究通过Web of Science和中国知网CNKI数据库收集相关文献，运用CiteSpace进行文献计量分析。结果显示：土壤碳-铁耦合研究呈现阶段性增长，研究内容围绕氧化铁、碳封存、稳定性等关键词展开；碳-铁耦合早期研究聚焦于土壤碳、铁组成与吸附作用，近年来研究逐渐侧重土壤碳-铁耦合机制及环境响应，显示了土壤碳-铁耦合研究的内核深化与外延拓展；碳-铁耦合实验设计主要从碳与铁组分分析、铁与碳添加响应、环境因子调控、区域地理特征差异4个维度开展。现有研究已揭示碳- 铁祸合机制的复杂性，但在微观机制和多因子交互作用等方面仍需加强多区域、多时空尺度的实验验证。

中图分类号:

S181

. 土壤碳铁耦合实验设计研究进展[J]. 农业与技术, 2026, 46(2): 84-89.

参考文献

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