07. Influence of introduction of cellulosolitic microorganisms on microbiocenosis in conditions of a composting of a poultry excreta

https://doi.org/10.31073/agrovisnyk201905-07
Volkogon V. V., M’iagka M. V., Dimova S. B., Derkach S. M., Pyrig O. V., Lutsenko N. V.
Pages: 53-61.

Full article: 
Abstract
The purpose. To clarify features of microbiota growth at composting poultry excreta at introduction to substratum of selected cellulosolitic strains of microorganisms. Methods. Laboratory, model, microbiological, gas chromatographic, genetic labeling, statistical. Results. Results of selection of cellulosolitic microorganisms secreted from different organic substrata are brought. After screening in laboratory conditions the strain of bacteria of stem Bacillus (C13) and 3 strains of micromycetes of stem Trichoderma (PD3, 129, L1) which are characterized by tall cellulosolitic activity are taken. On ability of growth in composted substrata on the basis of poultry excreta, as well as influence on formation of groups of microorganisms (first of all, growth of numerosity micromycetes and cellulosolitic bacteria) it is necessary to consider as perspective strains Bacillus sp. C13 and Trichoderma sp. PD3. Besides, these strains promote mineralization of organic substance during composting. Their introduction to composted substrata enables to diminish duration of fermentation of compost and to enrich it agronomically valuable microorganisms. Conclusions. Use of active strains of microorganisms at composting organic substance is a perspective method of control over microbiological processes destruction. Thus composts during fermentation can be agronomically enriched with valuable microorganisms and products of their metabolism. The composts gained thus at their application in techniques of growing crops can influence positively productivity of agro-ecosystems not only as a source of biogenic elements, but also as biological inducer of processes of growth and development of plants.

Key words: introduction of microorganisms, compost, poultry excreta, microbial succession, cellulose breaking microorganisms, Bacillus sp., Trichoderma sp.

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