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| Microbial Mechanisms of Nitrification Inhibitors and Their Application |
| Received:April 08, 2014 |
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| KeyWord:nitrification;nitrification inhibitors;ammonia-oxidizing bacteria;ammonia-oxidizing archaea |
| Author Name | Affiliation | E-mail | | ZHANG Miao-miao | Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
University of Chinese Academy of Sciences, Beijing 100049, China | | | SHEN Ju-pei | Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China | | | HE Ji-zheng | Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China | | | ZHANG Li-mei | Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China | zhanglm@rcees.ac.cn |
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| Abstract: |
| Nitrification in terrestrial ecosystem could cause many environmental issues, including low efficiency of N fertilizers, nitrate leaching to surface water and groundwater and nitrous oxide(N2O) emissions. By inhibiting specifically the growth and activity of nitrifiers in soils, nitrification inhibitors can alleviate the transformation of ammonium to nitrate and are therefore widely used as an effective agricultural management practice to improve the efficiency of N fertilizers and to reduce the negative effects of nitrification. This paper reviewed the main progresses in characteristics and action mechanisms of major nitrification inhibitors commonly used in agriculture, such as dicyandiamide(DCD), 3,4-dimethylpyrazole phosphate(DMPP), nitrapyrin and acetylene, on soil microbes, especially key functional microbes(e.g. ammonia-oxidizing bacteria, AOB, and ammonia-oxidizing archaea, AOA). In addition, applications of nitrification inhibitors in the study of nitrification mechanisms and microbial functions were briefly summarized. |
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