Ocena wpływu dodatków wzbogacających kompostowaną korę sosnową na liczebność bakterii i grzybów oraz ich aktywność enzymatyczną

• Autorzy: Starzyk J. , Jakubus M. , Swędrzyńska D.

Warianty tytułu

EN

Assessment of the Impact of Enriching Additives in Composted Pine Bark on the Number of Bacteria and Fungi and Their Enzymatic Activity

• Języki publikacji: PL

Abstrakty

EN

In the composting process, microorganisms meet the primary role of which is related to the metabolic activity of the process of synthesis of humus. Properly made compost is characterized by a large value of fertilizer, often exceeding the fertilizer value of manure. 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 pH and temperature. The experiment was established in 2011 in the Forest District Antonin in Wielkopolska. Composting was carried out in seven 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 five times for microbiological analysis. It were analyzed number of mesophilic and thermophilic bacteria 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 pH level and the temperature of the windrows. It was found that additives composted pine bark with the exception only of the preparation EM-A stimulating influence on the population growth of bacteria meso-and thermophilic composting in windrows. A particularly preferred combination proved to be a combination of the green mass of the plant with solution of Effective Microorganisms. Changes in the number of analyzed groups of microorganisms also fundamentally affect temperature changes during the composting process. During the high temperature composting piles was observed in a significant increase in the number of thermophilic bacteria and fungi. In most of the analyzed terms the largest number of thermophilic 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. Dehydrogenase complex activity did not increase with the increase in the number of analyzed groups of microorganisms.

Słowa kluczowe

PL

kora sosnowa; bakterie; grzyby; aktywność enzymatyczna

EN

municipal solid waste; sewage sludge; soil

• Wydawca: Politechnika Koszalińska
• Czasopismo: Rocznik Ochrona Środowiska
• Rocznik: 2013
• Tom: Tom 15, cz. 3
• Strony: 2683--2696
• Opis fizyczny: Bibliogr. 26 poz., tab., rys.

Twórcy

autor

Starzyk J.

• Uniwersytet Przyrodniczy, Poznań

autor

Jakubus M.

• Uniwersytet Przyrodniczy, Poznań

autor

Swędrzyńska D.

• Uniwersytet Przyrodniczy, Poznań

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