根际反硝化作用与N2O释放

被引：25

作者：

邹国元

张福锁

机构：

[1] 北京市农林科学院植物营养与资源研究所,中国农业大学资源与环境学院北京中国农业大学资源与环境学院北京,北京

来源：

中国农业大学学报 | 2002年 / 01期

关键词：

根际; 反硝化; N2O;

D O I：

暂无

中图分类号：

S312 [作物生物化学];

学科分类号：

090101 ;

摘要：

对根际反硝化作用及N2O的释放进行了综述。反硝化过程与N2O的产生及释放有密切的关系。反硝化作用产生的N2O量不仅取决于反硝化速率,而且也取决于那些影响反硝化产物N2O/N2比值的参数。在植物根际这一特殊土壤区域中,反硝化作用受NO-3C及O2的综合影响。豆科作物根瘤是一个特殊的根际系统,根瘤菌的反硝化作用及N2O释放应引起更大的关注。植物根际不仅对反硝化作用产生影响,而且对N2O释放也起了重要的通道作用,特别是对渍水土壤有重要的意义。文章最后指出了一些尚需深入研究的问题。

引用

页码：77 / 82

页数：6

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