Regeneration of the European silver fir (Abies alba Mill.) in the Sudety Mountains [Poland] on soils with different physico-chemical properties
2005
Filipiak, M. (Polish Academy of Sciences, Kornik (Poland). Inst. of Dendrology), E-mail: [email protected] | Komisarek, J. (Poznan Agricultural University (Poland). Dept. of Soil Science and Waste Land Reclamation), E-mail: [email protected]
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 collected from litter (organic horizon - O) with a thickness of 7-15 cm and from mineral A horizon lying up to 20 cm below the organic horizon and were then analysed for pH, EC, C org., total N, exchangeable cations (Ca, Mg, K, Na, H and Al), soluble Mn, Fe, Zn and Pb as well as particle size distribution (samples from A horizon). The analysed soil samples are characterized by very high acidity and low content of bases. According to the performed statistical tests, none of the factors analysed within the samples tested has a significant impact on the natural regeneration of silver fir. The only dependence between potassium content in soil and the regeneration of silver fir in the Sudety Mountains is close to statistically significance
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