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| Effects of Biochar Amendments on Net Emissions of Greenhouse Gases from Croplands：A Review |
| Received:August 23, 2014 |
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| KeyWord:biochar;cropland;greenhouse gas emission;CO2;CH4;N2O |
| Author Name | Affiliation | E-mail | | LIU Jie-yun | Institute of Subtropical Agriculture, Chinese Academy of Sciences, Hunan 410125, China
Changsha Research Station for Agricultural & Environmental Monitoring, Chinese Academy of Sciences, Hunan 410125, China
University of Chinese Academy of Sciences, Beijing 100049, China | | | SHEN Jian-lin | Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Hunan 410125, China
Changsha Research Station for Agricultural & Environmental Monitoring, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Hunan 410125, China | | | QIU Hu-sen | Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Hunan 410125, China
University of Chinese Academy of Sciences, Beijing 100049, China | | | WANG Cong | Institute of Subtropical Agriculture, Chinese Academy of Sciences, Hunan 410125, China
Changsha Research Station for Agricultural & Environmental Monitoring, Chinese Academy of Sciences, Hunan 410125, China
University of Chinese Academy of Sciences, Beijing 100049, China | | | ZHOU Ping | Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Hunan 410125, China
Changsha Research Station for Agricultural & Environmental Monitoring, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Hunan 410125, China | | | LI Yong | Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Hunan 410125, China
Changsha Research Station for Agricultural & Environmental Monitoring, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Hunan 410125, China | | | WU Jin-shui | Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Hunan 410125, China
Changsha Research Station for Agricultural & Environmental Monitoring, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Hunan 410125, China | jswu@isa.ac.cn |
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| Abstract: |
| Cropland is one of the important sources of greenhouse gas(GHG) emissions. Reducing GHG emissions from croplands is of great significance for mitigating global changes. Biochar is the carbon(C)-rich solid material obtained from biomass pyrolysis in an oxygen-limited environment. Due to its high C content, highly porous structure, large specific surface area and considerable recalcitrancy, biochar has become a hotspot in the study of mitigating GHG emissions from croplands. This paper reviewed the recent progresses in the impacts and mechanisms of biochar amendments on GHG(CO2, CH4 and N2O) emissions from croplands as well as the effects of biochar on net global warming potential(NGWP), net greenhouse gas emissions(NGHGE) and greenhouse gas intensity(GHGI). We also proposed further studies on the mitigation of biochar on GHG emissions. |
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