Production and humus form development in forest stands established on agricultural lands - Kostelec nad Cernymi lesy regionAuthor(s): V. Podrazsky; J. Remes; V. Hart; W. Keith Moser
Source: Journal of Forest Science. 55(7): 299-305.
Publication Series: Scientific Journal (JRNL)
Station: Rocky Mountain Research Station
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DescriptionThe afforestation of agricultural lands was carried out under different site and ecological conditions, including lower and medium elevated localities. The present study documents the rapidity of accumulation of surface layers and their characteristics in stands of Scots pine (Pinus sylvestris), Norway spruce (Picea abies), birch (Betula verrucosa) and Douglas fir (Pseudotsuga menziesii) in the territory of the Training Forest Enterprise in Kostelec nad Cernymi lesy, at the altitude 430 m a.s.l., on the site of nutrient-poor gleyed soils. The plots were compared with the neighbouring continuously forested site covered with old pine-spruce stand and with near-situated arable field. During the first roughly 40 years, considerable changes were documented on the afforested plots. Forest-floor humus layers in the coniferous stands have already been formed, the humus forms being more favourable compared with the old forest site. Acidification and loss of nutrients run in the upper mineral horizons. These processes were also responsible for the less favourable character of the forest soil in the old stand. Birch showed minor shifts of soil properties in the mineral horizon compared to the conifers; the surface humus accumulation was not observed there yet. The lowest degradation among conifers was shown in Douglas fir, intensively taking up deficient nutrients on the other hand.
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CitationPodrazsky, V.; Remes, J.; Hart, V.; Moser, W. Keith. 2009. Production and humus form development in forest stands established on agricultural lands - Kostelec nad Cernymi lesy region. Journal of Forest Science. 55(7): 299-305.
Keywordsafforestation, agricultural lands, tree species, forest-floor humus, soil characteristics
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