The potential effect of variations in climate and agricultural practice on N_2O emissions (Ⅰ)——Variations in climate
The potential effect of variations in climate and agricultural practice on N_2O emissions (Ⅰ)——Variations in climate
摘要
N<sub>2</sub>O is an important greenhouse gas, its major anthropogenic source is agricultural soils and its emissionsare primarily influenced by climate and agricultural practice. This study chose a corn-rape rotation, asoybean-winter wheat rotation and a fallow field in Guizhou Province, westsouthern China as N<sub>2</sub>O emissions from subtropical agricultural soils study plots. Based on the success of test and validation exercise ofmeasured and Decomposition-Denitrification（DNDC） modeled N<sub>2</sub>O emission, and several associatedvariables, from above study fields exhibiting similar trends and magnitudes, we expanded DNDC modelto systematically assess the potential effect of variations in climate and farming practice in future on N<sub>2</sub>Oemissions from subtropical agricultural soils as above three study fields case study. The baseline condi-
作者
XU Wenbin~(1,2), HONG Yetang~1, CHEN Xuhui~3, LI Changsheng~4, LIN Qinghua~1 and WANG Yu~1 1. State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002, China
2. Institute of Environment and Resources Chemistry, Zhejiang University, Hangzhou 310027, China
3. Soil and Fertilizer Institute, Guizhou Academy of Agricultural Sciences, Guiyang 550013, China
4. Institute for the Study of Earth, Oceans, and Space, University of New Hampshire, Durham, USA
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1XU Wenbin~(1,2), HONG Yetang~1, CHEN Xuhui~3, LI Changsheng~4, LIN Qinghua~1 and WANG Yu~1, 1. State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002, China,2. Institute of Environment and Resources Chemistry, Zhejiang University, Hangzhou 310027, China,3. Soil and Fertilizer Institute, Guizhou Academy of Agricultural Sciences, Guiyang 550013, China,4. Institute for the Study of Earth, Oceans, and Space, University of New Hampshire, Durham, USA.The potential effect of variations in climate and agricultural practice on N_2O emissions (Ⅱ)——Variations in agricultural practice[J].Chinese Science Bulletin,1999,44(S2):97-99. 被引量：1
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