Distribution and Dynamics of Non-symbiotic Nitrogen Fixing Bacteria in Xilingol Grassland Soil

doi:10.11733/j.issn.1007-0435.2009.04.025

›› 2009, Vol. 17 ›› Issue (4): 540-542.DOI: 10.11733/j.issn.1007-0435.2009.04.025

Distribution and Dynamics of Non-symbiotic Nitrogen Fixing Bacteria in Xilingol Grassland Soil

ZHENG Hong-li¹, WULAN Bater¹, ZHANG Qiao-lian², PANG Bao-ping¹, FENG Yong-qing¹, FAN Ming-shou¹

1. College of Agronomy, Inner Mongolia agricultural university, Hohhot, Inner Mongolia Autonomous Region 010019, China;
2. Institute of agriculture research of Tumoutezuo County, Hohhot, Inner Mongolia Autonomous Region 010010, China

Received:2009-04-21 Revised:2009-06-08 Online:2009-08-15 Published:2009-08-15

内蒙古锡林郭勒天然草地非共生固氮细菌的分布和数量动态

郑红丽¹, 乌兰巴特尔¹, 张巧莲², 庞保平¹, 冯永清¹, 樊明寿¹

1. 内蒙古农业大学农学院, 呼和浩特, 010019;
2. 内蒙古土左旗农研所, 010010

通讯作者: 樊明寿
作者简介:郑红丽(1966- ),女,博士,副教授,研究方向为农业微生物
基金资助:
国家自然科学基金(30560031);内蒙古农业大学博士基金项目

Abstract

Key words: Grassland, Non-symbiotic nitrogen fixing bacteria, Distribution, Dynamics

摘要： 氮素(N)是植物生长发育所必需的,且最易缺乏.研究表明氮素含量直接影响草地生态系统的第一生产力,且退化草地无一例外地表现为土壤氮素严重缺乏.在天然草地的氮素输入途径中,生物固氮是最重要的组成部分,因此研究早已开展,但草地非共生固氮的研究相对较少.一些研究亦有报道,即使在极地,沙漠等特殊环境也存在着活跃的非共生固氮,因此加强草地非共生固氮的研究具有重要的理论意义.

关键词: 草地, 非共生固氮细菌, 分布, 数量动态

CLC Number:

S154.3

ZHENG Hong-li, WULAN Bater, ZHANG Qiao-lian, PANG Bao-ping, FENG Yong-qing, FAN Ming-shou. Distribution and Dynamics of Non-symbiotic Nitrogen Fixing Bacteria in Xilingol Grassland Soil[J]. , 2009, 17(4): 540-542.

郑红丽, 乌兰巴特尔, 张巧莲, 庞保平, 冯永清, 樊明寿. 内蒙古锡林郭勒天然草地非共生固氮细菌的分布和数量动态[J]. , 2009, 17(4): 540-542.

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URL: https://manu40.magtech.com.cn/Jweb_cdxb/EN/10.11733/j.issn.1007-0435.2009.04.025

https://manu40.magtech.com.cn/Jweb_cdxb/EN/Y2009/V17/I4/540

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Distribution and Dynamics of Non-symbiotic Nitrogen Fixing Bacteria in Xilingol Grassland Soil

内蒙古锡林郭勒天然草地非共生固氮细菌的分布和数量动态

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