Plant and Soil

, Volume 15, Issue 3, pp 211–216 | Cite as

Nitrogen-fixing bacteria of the genusBeijerinckia Derx in the rhizosphere of sugar cane

  • Johanna Dobereiner

Summary and Conclusions

The rhizosphere effect of sugar cane on nitrogen fixing bacteria of the genusBeijerinckia Derx was studied under field conditions, during two growing periods of the cane. Counts ofBeijerinckia in soil samples from the rhizosphere and from the rhizoplan (soil from root surface) showed an increase in this nitrogen fixer of up to 20 times in the rhizosphere and up to 50 times in the rhizoplan. Bacteria, actinomyces, and fungi developing on egg-albumin agar decreased in the rhizosphere of sugar cane.


Nitrogen Sugar Agar Soil Sample Plant Physiology 
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Copyright information

© Martinus Nijhoff 1961

Authors and Affiliations

  • Johanna Dobereiner
    • 1
  1. 1.Instituto de Ecologia e Experimentaçaõ AgricolasRio de JaneiroBrazil

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