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    Author(s): V. Podrazsky; O. Holubik; J. Vopravil; T. Khel; W. K. Moser; H. Prknova
    Date: 2015
    Source: Journal of Forest Science. 61(5): 225-234.
    Publication Series: Scientific Journal (JRNL)
    Station: Rocky Mountain Research Station
    PDF: View PDF  (143.57 KB)

    Description

    The aim of this study was to determine the effect of agricultural land afforestation on soil characteristics. Two sites in two regions of the Czech Republic were evaluated, at lower as well as higher submountain elevations: in the regions of the Orlicke hory Mts. and Kostelec nad Cernymi lesy, afforested, arable and pasture lands were compared for basic chemical and physical characteristics. It was determined: pH, CEC, exchangeable nutrients, SOC, bulk density, volume density, porosity (differentiated by pore size), water conductivity and soil aggregate stability. This study demonstrated the important influence of previous land use upon soil characteristics. The characteristics of the arable horizon can persist for many years; in forests, the mineral horizons (15-30 cm) can persist within 15-30 years after afforestation. Afforestation, which caused an increase in soil porosity by decreasing reduced bulk density and increasing capillary and gravitational pores (increasing the water-holding capacity and soil air capacity), is important for maintaining the soil stability. The positive effect on infiltration and retention capacity resulted not only from the presence of a forest overstorey, but also from the presence of permanent grass cover of pasture land.

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    Citation

    Podrazsky, V.; Holubik, O.; Vopravil, J.; Khel, T.; Moser, W. K.; Prknova, H. 2015. Effects of afforestation on soil structure formation in two climatic regions of the Czech Republic. Journal of Forest Science. 61(5): 225-234.

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    Keywords

    water-stable aggregates (WSA), mean weighted diameter (MWD)

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