Stand age amplifies greenhouse gas and NO releases following conversion of rice paddy to tea plantations in subtropical China
Yao, Zhisheng1,2; Zheng, Xunhua1,3; Liu, Chunyan1; Wang, Rui1; Xie, Baohua4; Butterbach-Bahl, Klaus2; Yao, Zhisheng(Chinese Acad Sci, Inst Atmospher Phys, State Key Lab Atmospher Boundary Layer Phys & Atm, Beijing 100029, Peoples R China)
2018-01-15
发表期刊AGRICULTURAL AND FOREST METEOROLOGY
ISSN0168-1923
卷号248页码:386-396
产权排序第4完成单位
摘要Increasing demand of commercial markets for tea products is driving the conversion from rice paddies to tea plantations in subtropical China. So far, however, little is known on how this land-use change, along with the age of plantation establishment, will affect the fluxes of greenhouse gases (GHG) methane (CH4) and nitrous oxide (N2O) and the air-pollutant nitric oxide (NO). Thus, we measured CH4, N2O and NO fluxes over an entire year from two tea plantations (one- and five-year-old plantations) and a native rice-fallow system under two system specific nitrogen fertilizer options. On an annual scale, comparable or higher GHG emissions were measured for tea plantations as compared to the rice-fallow system. Besides the pollution swapping from CH4 being the dominating GHG in rice paddies to N2O in tea plantations, annual NO emissions increased significantly. Annual direct emission factors of N2O and NO in tea plantations were 2.47-5.80% and 2.00-3.99%, respectively, significantly higher than in the rice-fallow system (N2O: 1.05-2.05%; NO: 0.033-0.051%). Differences in N fertilizer inputs and soil environmental conditions (e.g., soil water regime, pH and organic carbon) due to contrasting managements of these systems and their interactions are clearly driving the stimulation of N2O and NO emissions and contributing to the significant CH4 reductions. Furthermore, we observed that increasing tea stand age, particularly under organic fertilization, further stimulated N2O and NO emissions that varied significantly intraannually. Nevertheless, the higher N2O and NO emissions of tea plantations and the increasing emission strength with stand age deserve further research attention and consideration for future land-use conversions.
关键词Tea Plantation Land-use Conversion Greenhouse Gas Emissions Nitric Oxide Emission Factor
DOI10.1016/j.agrformet.2017.10.020
项目资助者National Nature Science Foundation of China(41305129, 41675144) ; National Key Research and Development Program of China(2017YFD0200105) ; Youth Innovation Promotion Association CAS(2013055)
URL查看原文
收录类别SCI
关键词[WOS]NITROUS-OXIDE EMISSIONS ; DIRECT N2O EMISSIONS ; LAND-USE CHANGE ; NITRIC-OXIDE ; FERTILIZER MANAGEMENT ; MICROBIAL COMMUNITY ; SPLIT APPLICATION ; GROWING-SEASON ; AVAILABLE DATA ; SOIL
文章类型Article
语种英语
WOS研究方向Agriculture ; Forestry ; Meteorology & Atmospheric Sciences
WOS记录号WOS:000417659700033
引用统计
文献类型期刊论文
条目标识符http://ir.yic.ac.cn/handle/133337/23555
专题中科院海岸带环境过程与生态修复重点实验室
通讯作者Yao, Zhisheng; Yao, Zhisheng(Chinese Acad Sci, Inst Atmospher Phys, State Key Lab Atmospher Boundary Layer Phys & Atm, Beijing 100029, Peoples R China)
作者单位1.Chinese Acad Sci, Inst Atmospher Phys, State Key Lab Atmospher Boundary Layer Phys & Atm, Beijing 100029, Peoples R China
2.Karlsruhe Inst Technol, Atmospher Environm Res, Inst Meteorol & Climate Res, D-82467 Garmisch Partenkirchen, Germany
3.Univ Chinese Acad Sci, Coll Earth Sci, Beijing 100049, Peoples R China
4.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Zone Environm Proc & Ecol Remedia, Yantai 264003, Peoples R China
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Yao, Zhisheng,Zheng, Xunhua,Liu, Chunyan,et al. Stand age amplifies greenhouse gas and NO releases following conversion of rice paddy to tea plantations in subtropical China[J]. AGRICULTURAL AND FOREST METEOROLOGY,2018,248:386-396.
APA Yao, Zhisheng.,Zheng, Xunhua.,Liu, Chunyan.,Wang, Rui.,Xie, Baohua.,...&Yao, Zhisheng.(2018).Stand age amplifies greenhouse gas and NO releases following conversion of rice paddy to tea plantations in subtropical China.AGRICULTURAL AND FOREST METEOROLOGY,248,386-396.
MLA Yao, Zhisheng,et al."Stand age amplifies greenhouse gas and NO releases following conversion of rice paddy to tea plantations in subtropical China".AGRICULTURAL AND FOREST METEOROLOGY 248(2018):386-396.
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