土壤微生物生物量氮及其在氮素循环中作用

生态学杂志

土壤微生物生物量氮及其在氮素循环中作用

仇少君^1,2;彭佩钦^1,2;刘强¹;荣湘民¹

¹湖南农业大学资源环境学院，长沙 410128；²中国科学院亚热带农业生态研究所亚热带农业生态重点试验室，长沙 410125

收稿日期:2005-06-26 修回日期:2005-10-10 出版日期:2006-04-10 发布日期:2006-04-10

Soil microbial biomass nitrogen and its role in nitrogen cycling

QIU Shaojun^1,2;PENG Peiqin^1,2;LIU Qiang¹;RONG Xiangmin¹

¹College of Resource and Environment,Hunan Agricultural University,Changsha 410128, China; ²The Key Laboratory of Subtropical Agro-ecology,Institute of Subtropical Agriculture,Chinese Academy of Sciences,Changsha 410125， China

Received:2005-06-26 Revised:2005-10-10 Online:2006-04-10 Published:2006-04-10

摘要/Abstract

摘要： 简述了土壤微生物生物量氮的含量及其影响因素，阐述了其在土壤氮素循环中的重要作用，着重讨论了其与可矿化氮、矿质氮、有机氮和固定态铵之间的关系，指出土壤微生物生物量氮与供氮因子间的关系在氮素循环研究中有非常重要的作用，可为调控土壤氮素的供应状况，减少氮素损失，提高氮肥利用率提供科学依据，并提出了需要深入研究的问题。

关键词: 红鳍东方豚, 微生态, 发酵产物, 河豚毒素

Abstract: The content of soil microbial biomass nitrogen (B_N) and its affecting factors were reviewed,the important roles of soil microbial biomass nitrogen in soil nitrogen cycling were described,and the relationships of soil microbial biomass nitrogen with soil mineralizable nitrogen,mineral nitrogen,organic nitrogen and fixed ammonium were emphatically discussed in this paper.It was indicated that soil microbial biomass nitrogen had a close relationship with the nitrogen-supplying capability of soil,and played an important role in controlling soil nitrogen supply,decreasing soil nitrogen loss,and increasing the efficiency of applied fertilizer nitrogen.The further research items in soil microbial biomass nitrogen were also put forward in this paper.

Key words: Fugu rubripes, Microecology, Fermentation products, Tetrodotoxin

仇少君;彭佩钦;刘强;荣湘民 . 土壤微生物生物量氮及其在氮素循环中作用[J]. 生态学杂志.

QIU Shaojun^1,2;PENG Peiqin^1,2;LIU Qiang¹;RONG Xiangmin¹ . Soil microbial biomass nitrogen and its role in nitrogen cycling[J]. cje.

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