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The influence of super-high-frequency radiation on the enzyme activity and number of microorganisms in soils of southern Russia

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Abstract

The effects of super-high-frequency radiation (SHF radiation) on the microflora and enzymatic activity of an ordinary chernozem, a chestnut soil, a brown forest soil, and gray sands were studied. The exposure time of the 800-W SHF radiation was 30 s, 1, 10, and 60 min. The activity of the soil enzymes (catalase and invertase) was found to be more resistant to the action of SHF radiation than the number of microorganisms (ammonifying bacteria (including sporogenous ones), bacteria of the genus Azotobacter, and micromycetes). According to the resistance of the enzymes, the soils studied form the following sequence: gray sands > ordinary chernozem ≥ chestnut soil > brown forest soil. Under the action of the SHF radiation, the number of microorganisms in the ordinary chernozem decreased to a lesser extent.

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Authors and Affiliations

  1. Faculty of Biology and Soil Science, Southern Federal University, ul. Sadovaya 105, Rostov-on-Don, 344006, Russia

    T. V. Denisova & S. I. Kolesnikov

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  1. T. V. Denisova
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  2. S. I. Kolesnikov
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Correspondence to T. V. Denisova.

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Original Russian Text © T.V. Denisova, S.I. Kolesnikov, 2009, published in Pochvovedenie, 2009, No. 4, pp. 479–483.

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Denisova, T.V., Kolesnikov, S.I. The influence of super-high-frequency radiation on the enzyme activity and number of microorganisms in soils of southern Russia. Eurasian Soil Sc. 42, 440–444 (2009). https://doi.org/10.1134/S1064229309040115

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