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Azotobacter andBeijerinckia in the soils and rhizosphere of plants in Egypt

Азотобактер и Beijerinckia в почве и ризосфере растений египта

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Abstract

The rhizosphere effect onAzotobacter was studied under the conditions of the abundant occurrence of this microorganism in Egyptian soils. The rhizosphere effect did not differ essentially from the description of this phenomenon in the literature, however; in Egyptian soils, colony counts ofAzotobacter in the rhizosphere of certain plants reached up to 107/g. soil.

Beijerinckia indica was found in the soils of the Kharga Oasis. This microorganism occurred more abundantly in the rhizosphere of alfalfa than in free soil. The implications of the results were discussed.

Abstract

Изучался ризосферный эффект азотобактера в условиях почв Египта, где он встречается в изобилии. Характер эффекта ризосферы, по существу, не отличается от описаний этого явления в литературе, но в почвах Египта у некоторых растений азотобактер встречался в количестве до 107 клеток на 1 г почвы.

Beijerinckia indica была найдена в почвах оазиса Харга. В ризосфере люцерны этот микроорганизм встречался в более значительном количестве, чем в свободной почве.

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Authors and Affiliations

  1. Department of Soil Microbiology, Institute of Microbiology, Czechoslovak Academy of Sciences, Prague, Egypt

    V. Vančura, Y. Abd-El-Malek & M. N. Zayed

  2. National Research Centre, Cairo-Dokki, Egypt

    V. Vančura, Y. Abd-El-Malek & M. N. Zayed

Authors
  1. V. Vančura
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  2. Y. Abd-El-Malek
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  3. M. N. Zayed
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Part of the work was done during the stay of the rst author at the National Research Centre, Cairo-Dokki, Egypt.

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Vančura, V., Abd-El-Malek, Y. & Zayed, M.N. Azotobacter andBeijerinckia in the soils and rhizosphere of plants in Egypt. Folia Microbiol 10, 224–229 (1965). https://doi.org/10.1007/BF02875951

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