Impact of dicyandiamide on emissions of nitrous oxide, nitric oxide and ammonia from agricultural field in the North China Plain

被引:18
|
作者
Zhou, Yizhen [1 ,2 ]
Zhang, Yuanyuan [1 ]
Tian, Di [1 ,2 ]
Mu, Yujing [1 ]
机构
[1] Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Beijing 100085, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
基金
中国国家自然科学基金;
关键词
Dicyandiamide; Nitrous oxide; Nitric oxide; Ammonia; North China Plain; FLUVO-AQUIC SOIL; NITRIFICATION INHIBITORS; GASEOUS EMISSIONS; UREASE INHIBITOR; N2O EMISSIONS; GRAZED GRASSLAND; MAIZE ROTATION; NH3; EMISSIONS; PASTURE SOIL; PIG SLURRY;
D O I
10.1016/j.jes.2015.08.016
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Nitrous oxide (N2O), nitric oxide (NO) and ammonia (NH3) emissions from an agricultural field in the North China Plain were compared for three treatments during a whole maize growing period from 26 June to 11 October, 2012. Compared with the control treatment (without fertilization, designated as CK), remarkable pulse emissions of N2O, NO and NH3 were observed from the normal fertilization treatment (designated as NP) just after fertilization, whereas only N2O and NH3 pulse emissions were evident from the nitrification inhibitor treatment (designated as ND). The reduction proportions of N2O and NO emissions from the ND treatment compared to those from the NP treatment during the whole maize growing period were 31% and 100%, respectively. A measurable increase of NH3 emission from the ND treatment was found with a cumulative NH3 emission of 3.8 +/- 1.2 kg N/ha, which was 1.4 times greater than that from the NP treatment (2.7 +/- 0.7 kg N/ha). (C) 2015 The Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences. Published by Elsevier B.V.
引用
收藏
页码:20 / 27
页数:8
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