Methane emission from a simulated rice field ecosystem as influenced by hydroquinone and dicyandiamide

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	Methane emission from a simulated rice field ecosystem as influenced by hydroquinone and dicyandiamide
	Xu, XK ; Wang, YS ; Zheng, XH ; Wang, MX ; Wang, ZJ ; Zhou, LK ; Van Cleemput, O
刊名	SCIENCE OF THE TOTAL ENVIRONMENT
	2000
卷号	263 期号:1-3 页码:243-253
关键词	dicyandiamide hydroquinone interface methane rice field system urea
ISSN号	0048-9697
通讯作者	Xu, XK, Chinese Acad Sci, Inst Atmospher Phys, LAPC, Beijing 100029, Peoples R China
中文摘要	A simple apparatus for collecting methane emission from a simulated rice field ecosystem was formed. With no wheat straw powder amended all treatments with inhibitor(s) had so much lower methane emission during rice growth than the treatment with urea alone (control), which was contrary to methane emission from the cut rice-soil system. Especially for treatments with dicyandiamide (DCD) and with DCD plus hydroquinone(HQ), the total amount of methane emission from the soil system and intact rice-soil system was 68.25-46.64% and 46.59-41.78% of the control, respectively. Hence, DCD, especially in combination with HQ, not only increased methane oxidation in the floodwater-soil interface following application of urea, but also significantly enhanced methane oxidation in rice root rhizosphere, particularly from its tillering to booting stage. Wheat straw powder incorporated into flooded surface layer soil significantly weakened the above-mentioned simulating effects. Regression analysis indicated that methane emission from the rice field ecosystem was related to the turnover of ammonium-N in flooded surface layer soil. Diminishing methane emissions from the rice field ecosystem was significantly beneficial to the growth of rice. (C) 2000 Elsevier Science B.V. All rights reserved.
学科主题	Environmental Sciences
收录类别	SCI
语种	英语
WOS记录号	WOS:000166243600022
公开日期	2011-09-23
内容类型	期刊论文
源URL	[http://210.72.129.5/handle/321005/55545]
专题	沈阳应用生态研究所_沈阳应用生态研究所_期刊论文
推荐引用方式 GB/T 7714	Xu, XK,Wang, YS,Zheng, XH,et al. Methane emission from a simulated rice field ecosystem as influenced by hydroquinone and dicyandiamide[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2000,263(1-3):243-253.
APA	Xu, XK.,Wang, YS.,Zheng, XH.,Wang, MX.,Wang, ZJ.,...&Van Cleemput, O.(2000).Methane emission from a simulated rice field ecosystem as influenced by hydroquinone and dicyandiamide.SCIENCE OF THE TOTAL ENVIRONMENT,263(1-3),243-253.
MLA	Xu, XK,et al."Methane emission from a simulated rice field ecosystem as influenced by hydroquinone and dicyandiamide".SCIENCE OF THE TOTAL ENVIRONMENT 263.1-3(2000):243-253.