Fungal suspension in combination with compost leads to changes in soil microbiota for fertility improvement
Lyudmila Kabaivanova
, Lilyana Nacheva, Nikolai Dinev
Abstract: Soil formation processes occurring in the environment are greatly dependent on the activities of microorganisms that inhabit it - bacteria, actinomycetes and microscopic fungi. Having in mind the well known biocontrol potential of Trichoderma viride against a wide range of soil phytopathogens, the study presents the effect of addition of a microbiological preparation - Trichoderma viride suspension to compost (residue from methane production) as a bioorganic improver. It was applied to alluvial meadow and cinnamon forest poor soils to evaluate how the quantity of ammonifying and cellulose degrading microorganisms, actinomycetes, bacteria, utilizing mineral nitrogen and microscopic fungi changes. The number of ammonifying microorganisms, actinomycetes and bacteria, utilizing mineral nitrogen and cellulose degrading microorganisms in the alluvial meadow soil with the addition of compost and fungal suspension increased greatly and to a lower extent for the cinnamon forest soil, but the amount of microscopic fungi decrease for both types of soil. Soil fertility improvement was followed, when tomatoes (Solanum lycopersicum L.) were grown in pure soil, soil, supplemented with compost and soil with compost and Trichoderma viride suspension, where the last treatment proved enhanced growth, estimated by the stem and leaves size and surface.
Keywords: compost; soil fertility improvement; Trichoderma viride suspension
Citation: Kabaivanova, L., Nacheva, L. & Dinev, N. (2024). Fungal suspension in combination with compost leads to changes in soil microbiota for fertility improvement. Bulg. J. Agric. Sci., 30(3), 408–411
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| Date published: 2024-06-25
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