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A comparison of the efficiency of different urease inhibitors and their effects on soil prokaryotic community in a short-term incubation experiment

文献类型： 外文期刊

作者： Li, Wenyan 1 ; Xiao, Qiang 2 ; Hu, Chunsheng 1 ; Liu, Binbin 1 ; Sun, Ruibo 1 ;

作者机构： 1.Chinese Acad Sci, Ctr Agr Resources Res, Inst Genet & Dev Biol, Key Lab Agr Water Resources,Hebei Key Lab Soil Ec, 286 Huaizhong Rd, Shijiazhuang 050021, Hebei, Peoples R China

2.Beijing Acad Agr & Forestry Sci, Inst Plant Nutr & Resources, 9 Shuguang Garden Middle Rd, Beijing 100097, Peoples R China

3.Univ Chinese Acad Sci, 19 A Yuquan Rd, Beijing 100049, Peoples R China

关键词： Urea hydrolysis; Urease inhibitor; Microbial community; NBPT; HQ

期刊名称：GEODERMA （ 影响因子：6.114； 五年影响因子：6.183 ）

ISSN： 0016-7061

年卷期： 2019 年 354 卷

页码：

收录情况： SCI

摘要： Urease inhibitors are widely used in agricultural soils to reduce nitrogen loss, but their effects on soil microbial communities remain largely unknown. In a microcosm incubation experiment the urease inhibitor N-(n-butyl) thiophosphoric triamide (NBPT) was more effective than hydroquinone (HQ) in inhibiting urease in the studied soil, although both altered the soil prokaryotic community. The abundance of ureolytic microbes in the urea-supplemented soil was similar to that in the Control when urea was degraded. However, urease inhibitors, especially NBPT, enriched ureolysis groups. Thus, although urease inhibitors can temporarily suppress soil urease activity, they may result in a microbial community with enriched ureolytic groups, thereby increasing the difficulty of reducing nitrogen loss through ammonia volatilization.

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