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The purpose of this study was to determine the basic physico-chemical properties of soil in silver fir stands with different stage of natural regeneration. The investigations were carried out in south-west part of Poland – in the Sudety Mountains. From 854 silver fir stands, 40 testing sites, varying in terms of habitat conditions and degree of natural regeneration, were selected. Soil samples were...
In the 40 fir localities in the Sudety Mountains, varying in site conditions and the degree of natural regeneration development were taken soil samples from the mineral horizon and were subjected to particle size distribution analysis. The best regeneration of fir stands has been reported on medium-textured soils, containing a few percents of the clay fraction and from 50to 60% of sand.The poorest...
Metals associated with urban soils are of environmental concern because of their direct and indirect effects on human health. The main purposes of this study undertaken in the city of Poznań (Poland) were to identify heavy metals with dangerous environmental load and to define areas of their environmental impact. Measured concentrations of cadmium, lead, copper and zinc in surface horizon and background...
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