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Effects of straw and plastic film mulching on greenhouse gas, emissions in Loess Plateau, China: A field study of 2 consecutive wheat-maize rotation cycles
Chen, Haixin1; Liu, Jingjing2; Zhang, Afeng3; Chen, Jing3; Cheng, Gong3; Sun, Benhua3; Pi, Xiaomin3; Dyck, Miles4; Si, Bingcheng2,5; Zhao, Ying1,3; Feng, Hao1,2; Zhao, Y; Feng, H (reprint author), Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Peoples R China.
SubtypeArticle
2017
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
description.correspondentemailyzhaosoils@gmail.com ; nercwsi@vip.sina.com
Volume579Pages:814-824
AbstractMulching practices have long been used to modify the soil temperature and moisture conditions and thus potentially improve crop production in dryland agriculture, but few studies have focused on mulching effects on soil gaseous emissions. We monitored annual greenhouse gas (GHG) emissions under the regime of straw and plastic film mulching using a closed chamber method on a typical winter-wheat (Triticum aestivum L. cv Xiaoyan 22) and summer-maize (Zea mays L cv Qinlong 11) rotation field over two-year period in the Loess Plateau, northwestern China. The following four field treatments were included: T1 (control, no mulching), T2 (4000 kg ha(-1) wheat straw mulching, covering 100% of soil surface), T3 (half plastic film mulching, covering 50% of soil surface), and T4 (complete plastic film mulching, covering 100% of soil surface). Compared with the control, straw mulching decreased soil temperature and increased soil moisture, whereas plastic film mulching increased both soil temperature and moisture. Accordingly, straw mulching increased annual crop yields over both cycles, while plastic film mulching significantly enhanced annual crop yield over cycle 2. Compared to the no-mulching treatment, all mulching treatments increased soil CO2 emission over both cycles, and straw mulching increased soil CH4 absorption over both cycles, but patterns of soil N2O emissions under straw or film mulching are not consistent Overall, compared to T1, annual GHG intensity was significantly decreased by 106%, 24% and 26% under T2, T3 and T4 over cycle 1, respectively; and by 20%, 51% and 29% under T2, T3 and T4 over cycle 2, respectively. Considering the additional cost and environmental issues associated with plastic film mulching, the application of straw mulching might achieve a balance between food security and GHG emissions in the Chinese Loess Plateau. However, further research is required to investigate the perennial influence of different mulching applications. (C) 2016 Elsevier B.V. All rights reserved.
KeywordMulching Greenhouse Gas Emissions Wheat-maize Rotation Field
Subject AreaEnvironmental Sciences & Ecology
DOI10.1016/j.scitotenv.2016.11.022
URL查看原文
Indexed BySCI
Publication PlaceAMSTERDAM
Language英语
WOS IDWOS:000391897800084
PublisherELSEVIER SCIENCE BV
Funding OrganizationNational 863 Research Program [2013AA102904]; National Natural Science Foundation of China [41371234, 41371233, 41301305]; Chinese State Key Laboratory Fund [K318009902-1427]; NWAFU Research Project [2013RWYB20]; Chinese Universities Scientific Fund [Z109021422]; 111 Project [B12007] ; National 863 Research Program [2013AA102904]; National Natural Science Foundation of China [41371234, 41371233, 41301305]; Chinese State Key Laboratory Fund [K318009902-1427]; NWAFU Research Project [2013RWYB20]; Chinese Universities Scientific Fund [Z109021422]; 111 Project [B12007]
Citation statistics
Cited Times:19[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iswc.ac.cn/handle/361005/8046
Collection水保所科研产出--SCI_2017--SCI
Corresponding AuthorZhao, Y; Feng, H (reprint author), Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Peoples R China.
Affiliation1.Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Peoples R China
2.Northwest A&F Univ, Coll Water Resources & Architectural Engn, Yangling 712100, Peoples R China
3.Northwest A&F Univ, Minist Agr, Key Lab Plant Nutr & Agrienvironm Northwest China, Yangling 712100, Peoples R China
4.Univ Alberta, Dept Renewable Resources, Edmonton, AB T6G 2E3, Canada
5.Univ Saskatchewan, Dept Soil Sci, Saskatoon, SK S7N 5A8, Canada
Recommended Citation
GB/T 7714
Chen, Haixin,Liu, Jingjing,Zhang, Afeng,et al. Effects of straw and plastic film mulching on greenhouse gas, emissions in Loess Plateau, China: A field study of 2 consecutive wheat-maize rotation cycles[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2017,579:814-824.
APA Chen, Haixin.,Liu, Jingjing.,Zhang, Afeng.,Chen, Jing.,Cheng, Gong.,...&Feng, H .(2017).Effects of straw and plastic film mulching on greenhouse gas, emissions in Loess Plateau, China: A field study of 2 consecutive wheat-maize rotation cycles.SCIENCE OF THE TOTAL ENVIRONMENT,579,814-824.
MLA Chen, Haixin,et al."Effects of straw and plastic film mulching on greenhouse gas, emissions in Loess Plateau, China: A field study of 2 consecutive wheat-maize rotation cycles".SCIENCE OF THE TOTAL ENVIRONMENT 579(2017):814-824.
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