【Key words】 hydroponic bio-filter method (HBFM); sediment; nitrification potential; denitrification potential
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Urea application stimulated soil nitrification potential in all the soils with different land use, and the change in the order of the tea orchard > forest > wasteland.
施用尿素使茶园、荒地和林地土壤硝化势也有不同程度的增加，其大小顺序为茶园＞林地＞荒地。
参考来源 - 茶园土壤微生物群落多样性及硝化作用研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The distribution of nitrification potential accords with the ammonium-oxidizing bacteria density.
底泥中亚硝酸菌的密度分布与硝化潜力的分布一致。
From another point of view, our study tries to find a potential of heterotrophic nitrification for the improvement of contaminated aquatic environment.
并进一步考察了上述两种底泥对水体中有机质、氨态氮和亚硝酸盐的去除能力，探寻了利用异养硝化作用改善水质环境的潜力。
The increasing and decreasing of N2O production potential result from the appearance of autotrophic nitrification in different growing period.
由于自养硝化作用在不同季节的发生，使得草甸草原土壤N2O的产生潜势也高、低起伏变化。
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