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Contemporary Problems of Ecology

2014 year, number 2

Influence of Antibiotics (Benzylpenicillin, Pharmazin, Nystatin) on the Number of Microorganisms in the Ordinary Chernozem

Y. V. AKIMENKO, K. S. KAZEEV, S. I. KOLESNIKOV
Southern Federal University, 344006, Rostov-nа-Donu, Bol’shaya Sadovaya str., 105
Keywords: antibiotics, pollution, soil microorganisms, chernozem ordinary

Abstract

Influence of different doses (100 mg/kg, 300 mg/kg, 450 mg/kg, 600 mg/kg) of pharmaceutical antibiotics (benzylpenicillin, pharmazin, nystatin) on the number of microorganisms of the chernozem was studied through model experiments. All studied doses of antibiotics have certain inhibitory effect on the number of soil microorganisms. Linear dependence between doses of antibiotics and changes in the number of soil microorganisms was established. As for resistance to pharmaceutical antibiotics the studied groups of soil microorganisms formed a row (high concentration): Azotobacter > amylolytic bacteria > ammonifying bacteria > micromycetes.