ISWC OpenIR  > 水保所科研产出--SCI  > 2017--SCI
Nitrous Oxide and Methane Emissions in Spring Maize Field in the Semi-Arid Regions of Loess Plateau
Jiang, Jishao1,2; Wang, Rui4; Wang, Zhiqi5; Guo, Shengli1,2; Ju, Xiaotang6; Guo, SL (reprint author), Chinese Acad Sci, Inst Soil & Water Conservat, Yangling 712100, Shaanxi, Peoples R China.; Guo, SL (reprint author), Minist Water Resources, Yangling 712100, Shaanxi, Peoples R China.
SubtypeArticle
2017
Source PublicationCLEAN-SOIL AIR WATER
ISSN1863-0650
description.correspondentemailslguo@ms.iswc.ac.cn
Volume45Issue:1
AbstractA 2-year field study was conducted to measure nitrous oxide (N2O) and methane (CH4) in a rain-fed spring maize cropland in the Loess Plateau, P. R. China, and to determine the effects of optimized nitrogen (N) fertilization practices on urea-derived N2O emission factor (EF), grain yield, net greenhouse gas (NGHG) emission, and net greenhouse gas intensity (NGHGI). Five treatments were considered, including control (CK), conventional N fertilization (Con), optimal N fertilization (Opt), optimal N fertilization plus nitrification inhibitor (Opt+DCD), and optimal N fertilization with slow release urea (Opt+SR). Soil acted as a small sink for atmospheric CH4. Nitrogen fertilization and heavy rainfall events (>40mm) were the main factors controlling N2O emissions. The annual mean EF ranged from 0.12 to 0.55%. Compared to conventional N fertilizer, nitrification inhibitor decreased the annual cumulative N2O, NGHG, and NGHGI emissions by 45, 52, and 48%, respectively, without decreasing grain yield. In conclusion, nitrification inhibitor addition was the most effective practice to reduce N2O emissions in the rain-fed regions of Loess Plateau.
KeywordNitrification Inhibition Nitrogen Practice Nitrous Oxide Slow Release Urea Spring Maize
Subject AreaScience & Technology - Other Topics ; Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Water Resources
DOI10.1002/clen.201500271
URL查看原文
Indexed BySCI
Publication PlaceHOBOKEN
Language英语
WOS IDWOS:000394421400002
PublisherWILEY-BLACKWELL
Funding OrganizationSpecial Fund for the Agricultural Profession [201103039]; "Strategic Priority Research Program-Climate Change: Carbon Budget and Related Issues" of the Chinese Academy of Sciences [XDA05050504] ; Special Fund for the Agricultural Profession [201103039]; "Strategic Priority Research Program-Climate Change: Carbon Budget and Related Issues" of the Chinese Academy of Sciences [XDA05050504]
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Document Type期刊论文
Identifierhttp://ir.iswc.ac.cn/handle/361005/8067
Collection水保所科研产出--SCI_2017--SCI
Corresponding AuthorGuo, SL (reprint author), Chinese Acad Sci, Inst Soil & Water Conservat, Yangling 712100, Shaanxi, Peoples R China.; Guo, SL (reprint author), Minist Water Resources, Yangling 712100, Shaanxi, Peoples R China.
Affiliation1.Chinese Acad Sci, Inst Soil & Water Conservat, Yangling 712100, Shaanxi, Peoples R China
2.Minist Water Resources, Yangling 712100, Shaanxi, Peoples R China
3.Henan Normal Univ, Henan Key Lab Environm Pollut Control, Key Lab Yellow River & Huai River Water Environm, Minist Educ,Sch Environm, Xinxiang, Henan, Peoples R China
4.Northwest A&F Univ, Coll Resources & Environm, Yangling, Peoples R China
5.Northwest A&F Univ, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling, Peoples R China
6.China Agr Univ, Coll Resources & Environm Sci, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Jiang, Jishao,Wang, Rui,Wang, Zhiqi,et al. Nitrous Oxide and Methane Emissions in Spring Maize Field in the Semi-Arid Regions of Loess Plateau[J]. CLEAN-SOIL AIR WATER,2017,45(1).
APA Jiang, Jishao.,Wang, Rui.,Wang, Zhiqi.,Guo, Shengli.,Ju, Xiaotang.,...&Guo, SL .(2017).Nitrous Oxide and Methane Emissions in Spring Maize Field in the Semi-Arid Regions of Loess Plateau.CLEAN-SOIL AIR WATER,45(1).
MLA Jiang, Jishao,et al."Nitrous Oxide and Methane Emissions in Spring Maize Field in the Semi-Arid Regions of Loess Plateau".CLEAN-SOIL AIR WATER 45.1(2017).
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