Przydatność gleb przeznaczonych pod powiększenie kolekcji Ogrodu Dendrologicznego w Przelewicach. Część II. Właściwości sorpcyjne i zawartość składników chemicznych
This paper is the continuation of the first part of research assessing the suitability of former, intensively used, arable land for the extension of Dendrological Garden collection in Przelewice presented in “Morphological characteristics and some physical properties of soils” Despite a fairly stable loam fraction (<0.002 mm) in the humus horizon (Ap), the examined soils differed in organic carbon content, reaction and total exchangeable acidity, which differentiated their sorptivity (T) and extent of saturation with alkaline cations (V). It was found that in Ap horizon of grey-brown podsolic soil T was 6.9 cmol(+) kg–1 and V only 58.0%, in Ap of deluvial soils T ranged from 9.3–17.5 cmol(+) kg–1, and V 58.1–97.1%, whereas in leached black earths T was in the range 12.6–17.9 cmol(+) kg–1 and V 81.0–89.9%. Resources of available potassium and phosphorus varied from low to very high while the resources of available magnesium were medium. In light of legal regulations and recommendations the soils did not exhibit heavy metal contamination. Due to a high value of trophicity indicator ITGL (from 33.9 to 44.8), they were classified as eutrophic and hypertrophic.
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