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学科主题: 生物科学::普通生物学
题名: Application of the DNDC model to estimate N2O emissions under different types of irrigation in vineyards in Ningxia, China
作者: Zhang, YJ (Zhang, Yajie)1; Niu, HS (Niu, Haishan)1; Wang, SP (Wang, Shiping)2; Xu, K (Xu, Kun)3; Wang, R (Wang, Rui)3
通讯作者: Niu, HS
关键词: NITROUS-OXIDE EMISSIONS ; SENSITIVITY-ANALYSIS ; RAINFALL EVENTS ; GAS EMISSIONS ; SOIL DRIVEN ; CARBON ; ECOSYSTEMS ; EVOLUTION ; SYSTEMS ; WATER
刊名: AGRICULTURAL WATER MANAGEMENT
发表日期: 2016
DOI: 10.1016/j.agwat.2015.10.006
卷: 163, 期:0, 页:295-304
收录类别: SCI
合作性质: 国内
文章类型: Article
部门归属: 生态
英文摘要: Furrow irrigation, which can be combined with fertilisation by dissolving solid fertilisers in irrigation water, is the most common practice in vineyards in the Ningxia Hui Autonomous Region, and drip irrigation and fertigation have been employed in some areas. These irrigation methods and their corresponding fertilisation schemes may affect nitrous oxide (N2O) emissions from the soil. Therefore, it is important to use a model to simulate differences in N2O emissions and identify farmland management methods that limit N2O emissions. During the July-August 2012 and July-September 2013 growing seasons, the denitrification and decomposition (DNDC) model was tested against experimental N2O emissions data from vineyards in Yuquanying, Yongning, Yinchuan, Ningxia. After model validation, the simulated differences in emissions between furrow irrigation and drip irrigation were 9.86 +/- 0.845 and 0.966 +/- 0.464 kg ha(-1) a(-1) in 2012 and 2013, respectively. Thus, the emissions were reduced by approximately 72.5% and 52.4% in 2012 and 2013. In the regional simulation, the Global Warming Potential (GWP) of the annual N2O emission reductions reached 27,749,760 +/- 5,489,160 kg CO2-equivalents after the vineyards in the Ningxia Autonomous Region were converted from furrow irrigation to drip irrigation. In conclusion, the DNDC model, which proved to be a powerful tool for addressing the efficacy of alternative management practices in vineyards, revealed that N2O emissions can be reduced by adopting drip irrigation systems rather than traditional furrow irrigation systems. (C) 2015 Elsevier BAT. All rights reserved.
语种: 英语
WOS记录号: WOS:000365376400029
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.itpcas.ac.cn/handle/131C11/7890
Appears in Collections:图书馆_期刊论文

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作者单位: 1.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing, Peoples R China
2.Chinese Acad Sci, Inst Tibetan Plateau Res, Beijing, Peoples R China
3.Ningxia Univ, Sch Agr, Ningxia, Peoples R China

Recommended Citation:
Zhang, YJ ,Niu, HS ,Wang, SP ,et al. Application of the DNDC model to estimate N2O emissions under different types of irrigation in vineyards in Ningxia, China[J]. AGRICULTURAL WATER MANAGEMENT,2016,163(0):295-304.
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