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	Combination of wet irrigation and nitrification inhibitor reduced nitrous oxide and methane emissions from a rice cropping system
	Liu, Gang1,2; Yu, Haiyang1,2; Zhang, Guangbin1; Xu, Hua1; Ma, Jing1
刊名	Environmental science and pollution research
	2016-09-01
卷号	23期号:17页码:17426-17436
关键词	Nitrous oxide Methane Water regime Dicyandiamide Rice field
ISSN号	0944-1344
DOI	10.1007/s11356-016-6936-2
通讯作者	Ma, jing(jma@issas.ac.cn)
英文摘要	To conserve water resources and guarantee food security, a new technology termed as "wet irrigation" is developed and practiced in rice fields; thus, its impact on radiative forcing derived from nitrous oxide (n2o) and methane (ch4) emissions merits serious attention. dicyandiamide (dcd), a kind of nitrification inhibitor, is proposed as a viable means to mitigate greenhouse gas (ghg) emission while enhancing crop productivity. however, little is known about the response of ghg emission and grain yield to dcd application in a rice system under wet irrigation. in these regard, effects of water regime and dcd application on ch4 and n2o emissions, grain yield, global warming potential (gwp), and greenhouse gas intensity (ghgi) from rice fields were studied. for this study, a field experiment, designed: treatment ii (intermittent irrigation), treatment wi (wet irrigation), treatment iid (ii plus dcd), and treatment wid (wi plus dcd), was conducted in jurong, jiangsu province, china, from 2011 to 2012. relative to treatment ii, treatment wi decreased ch4 emission significantly by 49-71 % while increasing n2o emission by 33-72 %. by integrating ch4 and n2o emissions and grain yield, treatment wi was 20-28 and 11-15 % lower than treatment ii in gwp and ghgi, respectively. the use of dcd under wet irrigation reduced n2o emission significantly by 25-38 % (p < 0.05) and ch4 emission by 7-8 %, relative to treatment wi, resulting in a decline of 18-30 % in gwp. due to the increase in n use efficiency, maximal grain yield (6-7 %) and minimal ghgi (22-34 %) was observed in treatment wid. these findings indicate that combined application of n fertilizer and dcd is a win-win strategy in water-saving high-yield rice production with less ghg emission.
WOS关键词	GREENHOUSE-GAS EMISSIONS ; INDO-GANGETIC PLAIN ; WATER MANAGEMENT ; PADDY SOILS ; ORGANIC-MATTER ; N2O EMISSIONS ; CHINA ; WHEAT ; DICYANDIAMIDE ; FERTILIZER
WOS研究方向	Environmental Sciences & Ecology
WOS类目	Environmental Sciences
语种	英语
出版者	SPRINGER HEIDELBERG
WOS记录号	WOS:000382674800050
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2375635
专题	中国科学院大学
通讯作者	Ma, Jing
作者单位	1.Chinese Acad Sci, Inst Soil Sci, State Key Lab Soil & Sustainable Agr, 71 East Beijing Rd, Nanjing 210008, Jiangsu, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Liu, Gang,Yu, Haiyang,Zhang, Guangbin,et al. Combination of wet irrigation and nitrification inhibitor reduced nitrous oxide and methane emissions from a rice cropping system[J]. Environmental science and pollution research,2016,23(17):17426-17436.
APA	Liu, Gang,Yu, Haiyang,Zhang, Guangbin,Xu, Hua,&Ma, Jing.(2016).Combination of wet irrigation and nitrification inhibitor reduced nitrous oxide and methane emissions from a rice cropping system.Environmental science and pollution research,23(17),17426-17436.
MLA	Liu, Gang,et al."Combination of wet irrigation and nitrification inhibitor reduced nitrous oxide and methane emissions from a rice cropping system".Environmental science and pollution research 23.17(2016):17426-17436.

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