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Counting of Azotobacter in soils

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Summary

A new medium has been evolved for counting Azotobacter by the plating method. The advantages of this medium are:

  1. 1)

    contaminants are greatly suppressed

  2. 2)

    the colonies of Azotobacter are bigger in size than those of the contaminants and being black in colour are easily identified.

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References

  1. Vandecaveye, S. C. and C. D. Moodie, Soil Sci. Soc. Am. Proc.7, 229–236 (1942).

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  2. Winogradsky, S., Soil Sci.40, 59–76 (1935).

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Authors and Affiliations

  1. Panjab Agricultural College & Research Institute, Lyallpur, Pakistan

    M. I. Hussain Aleem

Authors
  1. M. I. Hussain Aleem
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Aleem, M.I.H. Counting of Azotobacter in soils. Plant Soil 4, 248–251 (1953). https://doi.org/10.1007/BF01343840

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  • DOI: https://doi.org/10.1007/BF01343840

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