FPUTS seria Agricultura, Alimentaria, Piscaria et Zootechnica, 2015

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Open Access
Microbiome of Soil Contaminated by Fuels
(Wydawnictwo Uczelniane Zachodniopomorskiego Uniwersytetu Technologicznego w Szczecinie, 2015) Hawrot-Paw, Małgorzata; Izwikow, Monika; Department of Microbiology and Environmental Biotechnology, West Pomeranian University of Technology, Szczecin, Poland; Department of Microbiology and Environmental Biotechnology, West Pomeranian University of Technology, Szczecin, Poland
The aim of the study was to determine the influence of the presence of fuels in the soil on the number of selected groups of soil microorganisms, including bacteria, actinobacteria, fungi, copiotrophs and oligotrophs. In the experiment, diesel oil (DO), biodiesel (BD) and a mixture of both fuels, in which the share of biodiesel was 10% (BD10), were used. Two levels of contamination were applied: 10 and 100 g · kg–1 d.m. of soil. The number of microorganisms was assessed with the method of plating dilutions of the soil on culture media suitable for particular groups of microorganisms. Based on the obtained results, varying sensibility of microorganisms to the presence of fuels in the soil was discovered. The kind of fuel and its dose had a significant impact on the numbers of bacteria, actinobacteria and fungi. There was no correlation between these factors and copiotrophic and oligotrophic microorganisms.