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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 NameAffiliationE-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.