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土壤微生物生物量氮及其在氮素循环中作用

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成果类型:
期刊论文
作者:
仇少君;彭佩钦;刘强;荣湘民
通讯作者:
Qiu, S.
作者机构:
[刘强; 荣湘民] College of Resource and Environment, Hunan Agricultural University, Changsha 410128, China
The Key Laboratory of Subtropical Agro-ecology, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China
[Qiu S.; 彭佩钦] College of Resource and Environment, Hunan Agricultural University, Changsha 410128, China, The Key Laboratory of Subtropical Agro-ecology, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China
通讯机构:
[Qiu, S.] C
College of Resource and Environment, Hunan Agricultural University, China
语种:
中文
关键词:
土壤微生物生物量氮;可矿化氮;矿质氮;有机氮;固定态铵
关键词(英文):
Fixed ammonium;Mineral nitrogen;Mineralizable nitrogen;Organic nitrogen;Soil microbial biomass nitrogen
期刊:
生态学杂志
ISSN:
1000-4890
年:
2006
卷:
25
期:
4
页码:
443-448
基金类别:
中国科学院知识创新工程项目(KZCX3-SW-441) 中国科学院知识创新领域前沿资助项目(02200220020223)
机构署名:
本校为第一且通讯机构
院系归属:
资源环境学院
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.
摘要(英文):
The content of soil microbial biomass nitrogen (BN) 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,...

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