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A meta-analysis of soil background N2O emissions from croplands in China shows variation among climatic zones
Aliyu, Garba1,2; Sanz-Cobena, Alberto3,4; Mueller, Christoph5; Zaman, Mohammad6; Luo, Jiafa7; Liu, Deyan1; Yuan, Junji1; Chen, Zengming1; Niu, Yuhui1,2; Arowolo, Aisha2,8; Ding, Weixin1
2018-11-15
Source PublicationAGRICULTURE ECOSYSTEMS & ENVIRONMENT
ISSN0167-8809
Volume267Pages:63-73
Corresponding AuthorDing, Weixin(wxding@issas.ac.cn)
AbstractNitrous oxide (N2O) is one of the most important and persistent greenhouse gases, however, there is a lack of accurate data on soil background N2O emissions (BNE) from agricultural land. Calculations of N2O emission factors from land uses are currently based on a single, universal BNE value advocated by the International Panel on Climate Change, but BNE are thought to vary with climate and soil types. We ran a meta-analysis of 58 peer reviewed, published data source on soil BNE from cropland fields across China, representing a range of climate and soil types. Mean soil BNE rate in croplands was estimated at 0.93 kg N ha(-1) yr(-1) and varied among the climatic zones, where the highest rate was in the north subtropical zone (1.66 kg N ha(-1) yr(-1)) and the lowest in the cold temperate zone (0.53 kg N ha(-1) yr(-1)). We estimated total national BNE for China based on the BNE rates for the different climatic zones and found it to be 129 Gg N yr(-1); this estimate was higher than the estimate of 114 Gg N yr(-1) derived from using only a single national average BNE rate. Stepwise multiple regression modelling of soil BNE rate (kg N ha(-1) yr(-1)) with soil properties and climatic parameters, including soil bulk density, mean annual precipitation, soil total nitrogen, and soil pH showed that soil bulk density had the greatest influence on the BNE rate. Our study highlights that soil BNE should be included in regional N2O inventories to inform sustainable agricultural development and management strategies in the context of mitigating impacts of soil N2O emissions on climate change.
KeywordBackground N2O emissions Background N2O emission rate Climatic zone Croplands Soil properties
DOI10.1016/j.agee.2018.08.003
WOS KeywordNITROUS-OXIDE EMISSIONS ; AVAILABLE MEASUREMENT DATA ; CULTIVATED BLACK SOIL ; GREENHOUSE-GAS FLUXES ; SANDY LOAM SOIL ; AGRICULTURAL SOILS ; NITRIFICATION INHIBITORS ; FERTILIZED SOILS ; IPCC METHODOLOGY ; NORTHEAST CHINA
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[31561143011] ; National Natural Science Foundation of China[41471207] ; IAEA Coordinated Research Project[D1.50.16] ; CAS-TWAS Scholarship ; Comunidad de Madrid (Spain)[AGRISOST-CM S2013/ABI-2717] ; European Structural and Investment Funds[AGRISOST-CM S2013/ABI-2717]
Funding OrganizationNational Natural Science Foundation of China ; IAEA Coordinated Research Project ; CAS-TWAS Scholarship ; Comunidad de Madrid (Spain) ; European Structural and Investment Funds
WOS Research AreaAgriculture ; Environmental Sciences & Ecology
WOS SubjectAgriculture, Multidisciplinary ; Ecology ; Environmental Sciences
WOS IDWOS:000446144100007
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/52766
Collection中国科学院地理科学与资源研究所
Corresponding AuthorDing, Weixin
Affiliation1.Chinese Acad Sci, Inst Soil Sci, State Key Lab Soil & Sustainable Agr, Nanjing 210008, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Tech Univ Madrid, ETSI Agronomos, Ciudad Univ, Madrid 28040, Spain
4.Univ Politecn Madrid, Res Ctr Management Environm & Agr Risks CEIGRAM, E-28040 Madrid, Spain
5.Justus Liebig Univ Giessen, Dept Plant Ecol, Heinrich Buff Ring 26, D-35392 Giessen, Germany
6.IAEA, Joint FAO IAEA Div, Soil & Water Management & Crop Nutr Sect, A-1400 Vienna, Austria
7.AgResearch Ltd, Ruakura Res Ctr, Hamilton 3240, New Zealand
8.Inst Geog Sci & Nat Resources Res, Ctr Chinese Agr Policy, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Aliyu, Garba,Sanz-Cobena, Alberto,Mueller, Christoph,et al. A meta-analysis of soil background N2O emissions from croplands in China shows variation among climatic zones[J]. AGRICULTURE ECOSYSTEMS & ENVIRONMENT,2018,267:63-73.
APA Aliyu, Garba.,Sanz-Cobena, Alberto.,Mueller, Christoph.,Zaman, Mohammad.,Luo, Jiafa.,...&Ding, Weixin.(2018).A meta-analysis of soil background N2O emissions from croplands in China shows variation among climatic zones.AGRICULTURE ECOSYSTEMS & ENVIRONMENT,267,63-73.
MLA Aliyu, Garba,et al."A meta-analysis of soil background N2O emissions from croplands in China shows variation among climatic zones".AGRICULTURE ECOSYSTEMS & ENVIRONMENT 267(2018):63-73.
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