Soil examination for the purpose of forecasting occurrence of entomopathogenic and beneficial microorganisms
2011
Golubović-Ćurguz, V., Faculty of Forestry, Belgrade (Serbia) | Miletić, Z., Institute of Forestry, Belgrade (Serbia)
In two sample plots, located at the site of Hungairan Oak and Turkey Oak forest (Quercetum frainetto cerris) and at the site of montane beech forest (Fagetum montanum), in which a mass natural perishing of gypsy moth larvae occurred in spring of 2011, the principal characteristics of soil – a natural development environment for certain stadia of possible entomopathogenic and other microorganisms, and a potential cause for the collapse, were analysed. Physical and chemical properties, as well as the abundance of principal physiological groups of soil microorganisms, were examined. The existence of similarity in soil physical properties was revealed at both sites, whereas the differences between chemical properties were far more significantly pronounced. The differences in chemical properties of the soil and the organic layer resulted in manifestation of differences with respect to abundance and relations among principal physiological groups of soil microorganisms.
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