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中文摘要：
以土壤碳、氮循环过程为主线，研究了土壤碳、氮循环过程与温室气体排放和土壤污染物质降解、迁移和生物有效性的关系；土壤有机碳及其温室气体排放量的空间尺度效应。明确了土壤有机/无机组分相互作用及其团聚体形成过程对华北平原农田土壤有机碳的稳定作用，肥料管理对土壤有机碳积累的影响机理。完成了我国和全球稻田生态系统CH4排放量及其减排潜力的估算。明确了土壤中污染物浓度空间分布规律与污染源强度、气候条件及土壤性质的关系，为根据土壤污染类型和程度，识别土壤污染源提供了理论依据。初步揭示了土壤有机质含量对持久性有机污染物降解的影响规律。发现了铵态氮对酸性土壤铝毒害的缓解作用，并初步揭示了无机氮形态影响根系铝吸收的作用机理。揭示了土壤有机碳氮密度的主控因素随“幅度”拓展的变化规律，“粒度”对估算我国土壤碳氮储量和温室气体排放的影响规律。获得国家自然科学奖二等奖一次，国家环境保部环境保护科技奖一等奖一次，出版专著2部，发表论文93篇，其中SCI收录论文40篇。培养博士23名，硕士8名，1 人获得国家杰出青年基金资助。
结论摘要：
英文主题词Soil processes, interface processes, soil carbon and nitrogen, soil pollution, scale effect
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期刊论文
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Influence of arbuscular mycorrhiza and rhizobium on phytoremediation by alfalfa of an agricultural s
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Methane and nitrous oxide emissions from rice paddy soil as influenced by timing of application of h
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Root phosphate exudation and pH shift in the rhizosphere are not responsible for aluminum resistance
Uncertainty assessment of mapping mercury contaminated soils of a rapidly industrializing city in th
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