The use of biological activity studies to determine a soil fertility indicator in pine stands on fresh coniferous and on mixed fresh coniferous forest sites
The relations between the site type, soil chemistry and soil biological activity in Scots pine forests were investigated. The aim of the study was to test the biological activity parameters which could be useful in diagnosing quality of forest sites. To evaluate soil quality of the study sites, several biological and two chemical (sum of base cations and base saturation) parameters were chosen to calculate the values of Biological Indicator of Soil Fertility (F). Observed significant correlation between the F values and some of the stand taxation fixtures associated with stand productivity, i.e. d.b.h., height of stand and stand section, suggests that the F indicator provide a valid estimate of forest site quality.
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