Zmiany stanu mikrobiologicznego kompostów na bazie kory sosnowej z dodatkiem preparatu Efektywne Mikroorganizmy (EM), zielonej masy roślin i mocznika

• Autorzy: Starzyk J. , Czekała J. , Wolna-Maruwka A. , Swędrzyńska D.

Warianty tytułu

EN

Changes in Microbial Condition of Pine Bark Composts with the Addition of Effective Microorganisms (EM), Green Mass of Plants and Urea

• Języki publikacji: PL

Abstrakty

EN

Rational waste management in Poland is one of the most important social, ecological and economic problems. Composting is an optimal method of waste management. It is a continuous process, which consists in the decomposition of organic substance subjected to biochemical processes and the influence of microorganisms. It is usually defined as the sum of microbiological processes related with the formation of humus. Properly made compost is characterized by a large value of fertilizer, often exceeding the fertilizer value of manure. The admixture or the use of biodegradable waste for composting contributes to higher aeration of the composted mass, facilitates reaching the optimal humidity range of 50–60%, enriches the composted mass with a source of carbon which is accessible to microorganisms and guarantees the optimal C:N ratio. However, in the production of compost main objective is to optimize the conditions of this process. The aim of this study was to determine the dynamics of changes in the number of selected groups of microorganisms and dehydrogenase activity levels occurring during the composting of pine bark, depending on the application of different organic additives and microbiological preparation and changes in temperature. The experiment was established in the Forest District Antonin in Wielkopolska. Composting was carried out in six piles of pine bark supplemented with different doses of green mass of legumes, Effective Microorganisms solution and urea. During the composting process, samples were taken three times for microbiological analysis. It were analyzed total number of mesophilic bacteria, actinomyces, copiotrophs, oligotrophs and fungi on selective substrates. Isolated colonies were used to determine the total number of tested microorganisms. Furthermore, were tested the enzymatic activity of microorganisms, determining the activity of the dehydrogenase, using the spectrophotometric method with TTC as a substrate. Also were analyzed the impact of differences in the composition of compost on the growth of microorganisms. The following terms were also tested the temperature of the windrows. Above all, the trend in the variation in the population of microorganisms under analysis and enzymatic activity depended on the type of admixture applied to the composted pine bark. In most of the analyzed terms the largest number of different groups of bacteria and fungi was observed in combination of pine bark, and extended to the highest dose of the green mass of the plants and EM-A. To changes in the number of analyzed groups of microorganisms also fundamentally affect temperature changes during the composting process. Dehydrogenase complex activity did not increase with the increase in the number of analyzed groups of microorganisms.

Słowa kluczowe

PL

kora sosnowa; kompostowanie; mikroorganizmy; dehydrogenaza

EN

pine bark; composting; microorganisms; dehydrogenase

• Wydawca: Politechnika Koszalińska
• Czasopismo: Rocznik Ochrona Środowiska
• Rocznik: 2015
• Tom: Tom 17, cz. 2
• Strony: 1512--1526
• Opis fizyczny: Bibliogr. 22 poz., tab., rys.

Twórcy

autor

Starzyk J.

• Uniwersytet Przyrodniczy, Poznań

autor

Czekała J.

• Uniwersytet Przyrodniczy, Poznań

autor

Wolna-Maruwka A.

• Uniwersytet Przyrodniczy, Poznań

autor

Swędrzyńska D.

• Uniwersytet Przyrodniczy, Poznań

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