干旱区生态环境知识资源中心(Arid): Contribution of Root Respiration to Total Soil Respiration in a Cotton Field of Northwest China

Arid

DOI	10.1016/S1002-0160(13)60010-7
	Contribution of Root Respiration to Total Soil Respiration in a Cotton Field of Northwest China
	Zhao Zhimin; Zhao Chengyi; Yilihamu Y; Li Juyan; Li Jun
来源期刊	Pedosphere
ISSN	1002-0160
出版年	2013
卷号	23 期号:2 页码:223-228
英文摘要	To measure the contribution of root respiration (R_r) to total soil respiration (R_t) in arid cotton fields, eighteen plots, nine for girdling and nine control, were built in an arid cotton field in the Aksu National Experimental Station of Oasis Farmland Ecosystem, Xinjiang of China. Given the difference of soil respiration between girdled plots and non-girdled control plots, the components of soil respiration, root respiration (R_r) and respiration originating from decomposition (R_d) were divided. The temperature sensitivities of R_r and R_d were analyzed, respectively. The results showed that the average contribution of R_r to R_t in arid cotton field was about 32% during the study period. The temperature-response curve of R_r differed from that of R_d. The dynamic variation of R_d was more related to the change of soil temperature as compared to R_r. R_r and R_d had different responses to the variation of environment, and thus new models capable of differentiating between R_r and R_d are needed for evaluating the different factors controlling these two components of soil respiration in arid cotton field.
英文关键词	abiotic factor decomposition girdling phenological phase temperature response value
类型	Article
语种	英语
收录类别	CSCD
WOS研究方向	Agriculture
CSCD记录号	CSCD:4771117
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/335189
作者单位	Zhao Zhimin, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, State Key Laboratory of Desert and Oasis Ecology, Urumqi, Xinjiang 830011, China.; Zhao Chengyi, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, State Key Laboratory of Desert and Oasis Ecology, Urumqi, Xinjiang 830011, China.; Yilihamu Y, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, State Key Laboratory of Desert and Oasis Ecology, Urumqi, Xinjiang 830011, China.; Li Juyan, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, State Key Laboratory of Desert and Oasis Ecology, Urumqi, Xinjiang 830011, China.; Li Jun, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, State Key Laboratory of Desert and Oasis Ecology, Urumqi, Xinjiang 830011, China.
推荐引用方式 GB/T 7714	Zhao Zhimin,Zhao Chengyi,Yilihamu Y,et al. Contribution of Root Respiration to Total Soil Respiration in a Cotton Field of Northwest China[J],2013,23(2):223-228.
APA	Zhao Zhimin,Zhao Chengyi,Yilihamu Y,Li Juyan,&Li Jun.(2013).Contribution of Root Respiration to Total Soil Respiration in a Cotton Field of Northwest China.Pedosphere,23(2),223-228.
MLA	Zhao Zhimin,et al."Contribution of Root Respiration to Total Soil Respiration in a Cotton Field of Northwest China".Pedosphere 23.2(2013):223-228.