MENG Qing-ying.Effect of Rhizobia Application on Number of Soil Ammonifying Bacteria,Nitrifying Bacteria,Nitrogen Fixation Bacteria and Soil Nitrogen Fertility[J].HEILONGJIANG AGRICULTURAL SCIENCES,2012,(04):55-57.
施用根瘤菌对土壤微生物氮素类群数量及土壤氮素的影响
- Title:
- Effect of Rhizobia Application on Number of Soil Ammonifying Bacteria,Nitrifying Bacteria,Nitrogen Fixation Bacteria and Soil Nitrogen Fertility
- 文章编号:
- 1002-2767（2012）04-0055-03
- Keywords:
- soybean; soil microoganisms; rhizobia
- 分类号:
- S154
- 文献标志码:
- A
- 摘要:
- 为研究施用根瘤菌条件下，大豆不同生育时期土壤微生物数量及土壤氮素含量动态变化，于大豆苗期、花期、结荚期、成熟期分别对大豆根际土壤氨化细菌、硝化细菌、自身固氮菌数量及土壤碱解氮、全氮含量进行测定。结果表明:施用根瘤菌处理与对照相比，在大豆的不同生育时期土壤氨化细菌、硝化细菌、自身固氮菌数量上存在差异，但在大豆的整个生育期根瘤菌有效增加了微生物氮素类群数量。除成熟期土壤中碱解氮含量根瘤菌处理低于对照，各时期土壤中碱解氮含量根瘤菌处理均高于对照，施用根瘤菌在大豆整个生育期增加了土壤全氮的含量。
- Abstract:
- In order to investigate the effect of rhizobia application on dynamic change of rhizosphere soil microoganisms and soil nitrogen content in different growth stages of soybean,the number of ammonifying bacteria,nitrifying bacteria,nitrogen fixation bacteria of soil and available nitrogen,total nitrogen were determined at seedling stage,flowering stage,bearing pod stage and mature stage of soybean.The results showed that the number of ammonifying bacteria,nitrifying bacteria,nitrogen fixation bacteria of soil of rhizobia application treatment was different from and CK,but rhizobia could effectively increase the number of soil microoganisms.The rhizobia treatment had higher available nitrogen content of soil than CK at all growth stages of soybean except for mature stage.The total nitrogen content of soil was increased by rhizobia on the whole stages of soybean.
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备注/Memo
基金项目：国家“十二五”大豆产业技术体系资助项目（CARS-04-10B）