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Nitrous Oxide Evolution from Agricultural Soil: A Regression Approach


doi: 10.1007/BF02661294

  • N_2O emission from soil is affected by many factors. In this study, N_2O flux, soil temperature, water content, NO_3~- and NH_4~+ concentrations were simultaneously measured in winter wheat field. N_2O flux, NO_3~- and NH_4~+ concentrations were all lognormally distributed, while water content was normally distributed. The relationship between N_2O flux and soil factors was also studied. N_2O flux was most highly correlated with soil temperature. Regression model was developed to explain the variability of N_2O emission from agricultural soil using multifactorial analysis.
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Manuscript History

Manuscript received: 10 January 1995
Manuscript revised: 10 January 1995
通讯作者: 陈斌, bchen63@163.com
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Nitrous Oxide Evolution from Agricultural Soil: A Regression Approach

  • 1. ResearchCenterforEco-EnvironmentalSciences,ChineseAcademyofSciences,Beijing100085,ResearchCenterforEco-EnvironmentalSciences,ChineseAcademyofSciences,Beijing100085,ResearchCenterforEco-EnvironmentalSciences,ChineseAcademyofSciences,Beijing100085,InstituteofAgriculturalModernization,ChineseAcademyofSciences,Shijiazhuang050021,InstituteofAgriculturalModernization,ChineseAcademyofSciences,Shijiazhuang050021,InstituteofAgriculturalModernization,ChineseAcademyofSciences,Shijiazhuang050021

Abstract: N_2O emission from soil is affected by many factors. In this study, N_2O flux, soil temperature, water content, NO_3~- and NH_4~+ concentrations were simultaneously measured in winter wheat field. N_2O flux, NO_3~- and NH_4~+ concentrations were all lognormally distributed, while water content was normally distributed. The relationship between N_2O flux and soil factors was also studied. N_2O flux was most highly correlated with soil temperature. Regression model was developed to explain the variability of N_2O emission from agricultural soil using multifactorial analysis.

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