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冬闲水田土壤——一个重要的尚未确定的N2O释放源

徐文彬 洪业汤

徐文彬, 洪业汤. 冬闲水田土壤——一个重要的尚未确定的N2O释放源[J]. 环境科学研究, 1999, 12(3): 42-45.
引用本文: 徐文彬, 洪业汤. 冬闲水田土壤——一个重要的尚未确定的N2O释放源[J]. 环境科学研究, 1999, 12(3): 42-45.
Xu Wen-bin, HONG Ye-tang. Paddy Fields Following A Dry Season Fallow:A Potential Important N2O Source[J]. Research of Environmental Sciences, 1999, 12(3): 42-45.
Citation: Xu Wen-bin, HONG Ye-tang. Paddy Fields Following A Dry Season Fallow:A Potential Important N2O Source[J]. Research of Environmental Sciences, 1999, 12(3): 42-45.

冬闲水田土壤——一个重要的尚未确定的N2O释放源

基金项目: 国家自然科学基金资助项目(编号49873034)

Paddy Fields Following A Dry Season Fallow:A Potential Important N2O Source

  • 摘要: 通过对土壤N20生成机理和影响因素、冬闲田土壤中碳氮营养基质积累、N20强烈脉冲释放和冬闲田分布面积的分析,提出北半球热带-亚热带地区冬闲田可能是一个重要的尚未确定的N20释放源。粗略估计N20(以N20—N计)年释放量为0.75 Tg。

     

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  • 刊出日期:  1999-06-25

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