Przydatność gleb porolnych przeznaczonych pod powiekszenie kolekcji Ogrodu Dendrologicznego w Przelewicach. Część I. Cechy morfologiczne i niektóre właściwosci fizyczne gleb
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The studies were conducted on the former arable land, intensively used, designated for extending the collection of Dendrological Garden in Przelewice. This area is characterised by a low wavy relief with gentle slopes of ca 3%, on average. Study results showed great variations, especially vertical, in granulometric composition and a considerable diversity of soil types, which had been greatly affected by water erosion. The investigated area was found to be dominated by leached black earth, grey-brown podsolic soil and deluvial soils. Considerably smaller areas were covered with rusty soils, grey-brown soils and arenosols. Irrespective of the soil type classification, these soils are characterised by a substantial humus horizon, mostly sandy clay or loamy sand containing from 4 to 6% clay fraction (<0.002 mm). Reaction is predominantly slightly acid to alkaline, humus content from 10.0 to 30.0 (mean 17.3) g · kg–1, bulk density from 1.22 to 1.59 (mean 1.47) Mg · m–3 and total porosity from 38.8 to 52.2 (mean 43.1) %. Among the determined types of soils, the most beneficial morphological characteristics and properties were detected in leached black earths.
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