Acta Univ. Agric. Silvic. Mendelianae Brun. 2012, 60(3), 225-232 | DOI: 10.11118/actaun201260030225

Development of microbial community in the course of composting of garden waste

Monika Vítězová1, Pavel Mach2, Tomáš Vítěz2, Tomáš Lošák1
1 Ústav agrochemie, půdoznalství, mikrobiologie a výživy rostlin, Mendelova univerzita v Brně, Zemědělská 1, 613 00 Brno, Česká republika
2 Ústav zemědělské, potravinářské a environmentální techniky, Mendelova univerzita v Brně, Zemědělská 1, 613 00 Brno, Česká republika

Composting represents one of the technologies of processing of biodegradable municipal waste. Samples collected from composting plants were analyzed chemically, physically and microbiologically. The pH of bio waste samples increased from 6.5 to 8.6. The total carbon to nitrogen ratio in samples of bio waste decreased, in the course of composting, from 40:1 up to the value of 25:1 while the total nitrogen to phosphorus ratio decreased from 10:1 up to 8:1. Indicator groups of microorganisms were monitored in compost samples. Representatives of Enterobacter genus, namely E. cloacae and E. aerogenes were identified in the samples on the basis of biochemical tests. The bacterial groups needed for efficient composting, i.e. order Bacillales and Actinomycetales, were present in appreciable amounts.

Keywords: compost, composting, bio waste, aerobic microorganisms
Grants and funding:

The study was financed by the Research plan No. MSM6215648905 "Biological and technological aspects of sustainability of controlled ecosystems and their adaptability to climate change", which is financed by the Ministry of Education, Youth and Sports of the Czech Republic.

Received: February 27, 2012; Published: August 28, 2013  Show citation

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Vítězová, M., Mach, P., Vítěz, T., & Lošák, T. (2012). Development of microbial community in the course of composting of garden waste. Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 60(3), 225-232. doi: 10.11118/actaun201260030225
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