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农田土壤N2O和NO排放的影响因素及其作用机制

蔡延江 丁维新 项剑

土壤2012,Vol.44Issue(6):881-887,7.
土壤2012,Vol.44Issue(6):881-887,7.

农田土壤N2O和NO排放的影响因素及其作用机制

Factors Controlling N2O and NO Emissions from Agricultural Soils and Their Influencing Mechanisms: A Review

蔡延江 1丁维新 2项剑1

作者信息

  • 1. 土壤与农业可持续发展国家重点实验室(中国科学院南京土壤研究所),南京210008
  • 2. 山地表生过程与生态调控重点实验室(中国科学院水利部成都山地灾害与环境研究所),成都610041
  • 折叠

摘要

Abstract

It is of prevalent concern that agricultural soil is a significant source of atmospheric N2O and NO. Nitrification and denitrification are the two key processes involved in N2O and NO production. These two microbial processes and subsequent N2O and NO emissions are strongly influenced by environment factors and management measures in the agricultural land. In this paper, a review was presented to summarized the effects of soil moisture and temperature conditions, soil texture and pH, fertilizer application and changes in tillage practice on N2O and NO production and emission in agricultural soils.

关键词

氧化亚氮/一氧化氮/冻融/减排/土壤-作物体系

Key words

Nitrous oxide, Nitric oxide, Freeze-thaw, Mitigation, Soil-plant system

分类

资源环境

引用本文复制引用

蔡延江,丁维新,项剑..农田土壤N2O和NO排放的影响因素及其作用机制[J].土壤,2012,44(6):881-887,7.

基金项目

国家自然科学基金项目(40971134)和中国科学院知识创新重要方向性项目(KZCX2-YW-439)资助. (40971134)

土壤

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