干旱区生态环境知识资源中心(Arid): Carbon Dioxide Fluxes and Concentrations in a Cotton Field in Northwestern China:Effects of Plastic Mulching and Drip Irrigation

Arid

DOI	10.1016/S1002-0160(11)60116-1
	Carbon Dioxide Fluxes and Concentrations in a Cotton Field in Northwestern China:Effects of Plastic Mulching and Drip Irrigation
	Li Zhiguo; Zhang Runhua; Wang Xiujun; Wang Jieping; Zhang Cuiping; Tian Changyan
来源期刊	Pedosphere
ISSN	1002-0160
出版年	2011
卷号	21 期号:2 页码:178-185
英文摘要	In northwestern China,there has been a change from traditional cultivation system(TC)with no mulching and flood irrigation to a more modern cultivation system(MC)using plastic film mulching with drip irrigation.A field study was conducted to compare soil CO_2 concentrations and soil surface CO_2 fluxes between TC and MC systems during a cotton growing season.CO_2 concentrations in the soil profile were higher in the MC system(3 107-9 212muL L~(-1))than in the TC system(1 275-8 994muL L~(-1))but the rate of CO_2 flux was lower in the MC system.Possible reasons for this included decreased gas diffusion and higher soil moisture due to the mulching cover in the MC system,and the consumption of soil CO_2 by weathering reactions.Over the whole cotton growing season, accumulated rates of CO_2 flux were 300 and 394 g C m~(-2) for the MC and TC systems,respectively.When agricultural practices were converted from traditional cultivation to a plastic film mulching system,soil CO_2 emissions could be reduced by approximately 100 g C m~(-2) year~(-1) in agricultural lands in arid and/or semi-arid areas of northern and northwestern China
英文关键词	agricultural practice carbon cycle greenhouse gas emission soil respiration weathering reaction
类型	Article
语种	英语
收录类别	CSCD
WOS研究方向	Geology
CSCD记录号	CSCD:4175456
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/335088
作者单位	Li Zhiguo, Graduate University of Chinese Academy of Sciences, Key Laboratory of Oasis Ecology and Desert Environment,Xinjiang Institute of Ecology and Geography,Chinese Academy of Sciences, Urumqi, Xinjiang 830011, China.; Wang Jieping, Graduate University of Chinese Academy of Sciences, Key Laboratory of Oasis Ecology and Desert Environment,Xinjiang Institute of Ecology and Geography,Chinese Academy of Sciences, Urumqi, Xinjiang 830011, China.; Zhang Cuiping, Graduate University of Chinese Academy of Sciences, Key Laboratory of Oasis Ecology and Desert Environment,Xinjiang Institute of Ecology and Geography,Chinese Academy of Sciences, Urumqi, Xinjiang 830011, China.; Zhang Runhua, Graduate University of Chinese Academy of Sciences, Beijing 100049, China.; Wang Xiujun, Earth System Science Interdisciplinary Center,University of Maryland,College Park, Key Laboratory of Oasis Ecology and Desert Environment,Xinjiang Institute of Ecology and Geography,Chinese Academy of Sciences, Urumqi, Xinjiang 830011, Ch...
推荐引用方式 GB/T 7714	Li Zhiguo,Zhang Runhua,Wang Xiujun,et al. Carbon Dioxide Fluxes and Concentrations in a Cotton Field in Northwestern China:Effects of Plastic Mulching and Drip Irrigation[J],2011,21(2):178-185.
APA	Li Zhiguo,Zhang Runhua,Wang Xiujun,Wang Jieping,Zhang Cuiping,&Tian Changyan.(2011).Carbon Dioxide Fluxes and Concentrations in a Cotton Field in Northwestern China:Effects of Plastic Mulching and Drip Irrigation.Pedosphere,21(2),178-185.
MLA	Li Zhiguo,et al."Carbon Dioxide Fluxes and Concentrations in a Cotton Field in Northwestern China:Effects of Plastic Mulching and Drip Irrigation".Pedosphere 21.2(2011):178-185.