Regime and dynamics of soil moisture in forest ecosystems of Záhorská lowland

L. Tužinský
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L. Tužinský: Forestry Faculty, Technical University in Zvolen, Zvolen, Slovak Republic

Journal of Forest Science, 2006, vol. 52, issue 3, 108-117

Abstract: The paper describes the regime and dynamics of the soil moisture content of sandy soils in Záhorská lowland during different growing seasons. Research plots are situated near Kamenný mlyn, approximately 3 km from Plavecký Štvrtok and 8 km southward from the town of Malacky. Changes in the soil moisture content are described by soil moisture constants (MCC, PDA, WP) and its relation to atmospheric precipitation and to the character of undergrowth is shown. The low water-holding capacity of sandy soils and their high drainage together with dense root system do not allow the sufficient saturation of soil during the growing season. The low wilting point value (2%) leads to the consumption of all available water in the soil. The most frequent is the semiarid interval of soil moisture (PDA -WP) with reduced availability of water to plants (> pF 3.1). The arid interval (< WP) occurrence on hot summer days results in a decrease in transpiration and assimilation intensity of plants, their physiological weakening and premature fall of assimilation organs.

Keywords: soil moisture; soil moisture constants; available water; evapotranspiration (search for similar items in EconPapers)
Date: 2006
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnljfs:v:52:y:2006:i:3:id:4492-jfs

DOI: 10.17221/4492-JFS

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