Correlation between number of microbes and degree of soil contamination by petrol
Wyszkowska J, Kucharski J
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Wyszkowska J, Univ Warmia & Mazury Olsztyn, Dept Microbiol, Plac Lodzki 3, PL-10727 Olsztyn, Poland
Univ Warmia & Mazury Olsztyn, Dept Microbiol, PL-10727 Olsztyn, Poland
Pol. J. Environ. Stud. 2001;10(3):175–181
The aim of this research was to examine the correlation between the presence of microbes in soil and the degree of soil pollution with unleaded and 98 leaded petrol. Detoxication of soils contaminated by refinery products was performed using barley straw. The experiment was conducted in two series: on unsown soil and on soil sown with triticale.

The results of the study have proved that contamination of soil by petroleum compounds stimulates the growth of Azotobacter sp., copiotrophic and oligotrophic bacteria, but inhibits the multiplication of fungi and actinomycetes. Fertilisation of soil with barley straw and cultivation of triticale improved microbiological properties of soil. The favourable effect of the treatments was attenuated by leaded and unleaded petrol.