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玉米根际与非根际解磷细菌的分布特点

Phosphobacteria Distribution in Rhizophere and Nonrhizosphere Soil of Corn.

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【作者】 赵小蓉林启美孙焱鑫张有山张美庆

【Author】 Zhao Xiaorong,Lin Qimei(Department of Soil & Water Sciences China Agricultural University Beijing,Beijing 100094),Sun Yanxin,Zhang Youshan,Zhang Meiqing(Institute of Plant Nutrition & Resource,Beijing Academy of Agricultural & Forest Science,Beijing 10008

【机构】 中国农业大学土壤和水科学系北京市农林科学院植物营养与资源研究所北京市农林科学院植物营养与资源研究所 北京100094北京100094北京100081北京100081

【Abstract】 Rhizosphere and nonrhizosphere soils were sampled from corn field at harvest time.Total number and genus of the bacteria mineralizing lecithin or dissolving phosphate were measured.It was found that the number of either organic or inorganic phosphobacteria in the rhizosphere soil was 10 to 20 times higher than those in the nonrhizosphere soil.The community structure was much more complicated in the rhizosphere than in the nonrhizosphere.Pseudomonas and Flavobacteria were advantageous orgainc phosphobacteria in the rhizosphere, but Erwinia for inorganinc phosphobacteria.In nonrhizosphere, most of organic phosphobacteria were Bacillus. However, no advantageous genus of inorganic phosphobacteria were found in the nonrhizosphere soil.

【关键词】 cornrhizospherepohsphobacteria.
【Key words】 cornrhizospherepohsphobacteria.
【基金】 北京市自然科学基金重点项目 ( 6 9710 0 3)资助
  • 【文献出处】 生态学杂志 ,Chinese Journal of Ecology , 编辑部邮箱 ,2001年06期
  • 【分类号】S154.3
  • 【被引频次】196
  • 【下载频次】664
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