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| A review on soil CH4 and N2O emissions from paddy-upland rotation systems |
| Received:January 29, 2020 |
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| KeyWord:paddy-upland rotation;methane;nitrous oxide |
| Author Name | Affiliation | E-mail | | XIONG Li-ping | Longping Branch of Graduate School of Hunan University, Changsha 410125, China | | | WU Jia-mei | Hunan Institute of Agri-Environment and Ecology, Changsha 410125, China
Ministry of Agriculture Key Laboratory of Agri-Environment in the Middle Reach Plain of Yangtze River, Changsha 410125, China
Hunan Province Key Laboratory of Prevention, Control and Remediation of Soil Heavy Metal Pollution, Changsha 410125, China | | | JI Xiong-hui | Longping Branch of Graduate School of Hunan University, Changsha 410125, China
Hunan Institute of Agri-Environment and Ecology, Changsha 410125, China
Ministry of Agriculture Key Laboratory of Agri-Environment in the Middle Reach Plain of Yangtze River, Changsha 410125, China
Hunan Province Key Laboratory of Prevention, Control and Remediation of Soil Heavy Metal Pollution, Changsha 410125, China | 1546861600@qq.com | | PENG Hua | Hunan Institute of Agri-Environment and Ecology, Changsha 410125, China
Ministry of Agriculture Key Laboratory of Agri-Environment in the Middle Reach Plain of Yangtze River, Changsha 410125, China
Hunan Province Key Laboratory of Prevention, Control and Remediation of Soil Heavy Metal Pollution, Changsha 410125, China | | | LI Chang-jun | Hunan Institute of Agri-Environment and Ecology, Changsha 410125, China
Ministry of Agriculture Key Laboratory of Agri-Environment in the Middle Reach Plain of Yangtze River, Changsha 410125, China
Hunan Province Key Laboratory of Prevention, Control and Remediation of Soil Heavy Metal Pollution, Changsha 410125, China | |
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| Abstract: |
| Farmlands are one of the most important sources of greenhouse gas emissions. Paddy-upland rotation is significant factor affecting greenhouse gas emissions in paddy soils. This paper discusses the effects of paddy-upland rotation on emissions of two main greenhouse gases, methane(CH4)and nitrous oxide(N2O), including the impact of water-saving irrigation, fertilizer management and rotation method on soil CH4 and N2O emissions from paddy-upland rotation system. Three kinds of greenhouse emission reduction measures are also proposed, including rice season water-saving irrigation, crop fertilization management and rotation mode optimization. |
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