The effect of stress factors on birch Betula pendula Roth

D. Kaňová and E. Kula
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D. Kaňová: Faculty of Forestry and Wood Technology, Mendel University of Agriculture and Forestry, Brno, Czech Republic
E. Kula: Faculty of Forestry and Wood Technology, Mendel University of Agriculture and Forestry, Brno, Czech Republic

Journal of Forest Science, 2004, vol. 50, issue 9, 399-404

Abstract: In a controlled pot trial, plants of birch (Betula pendula Roth) were treated in six variants: acid watering (pH 3), acid watering with spraying, drought, ammonium sulphate fertilisation, ammonium sulphate fertilisation in combination with drought, and control. The response to the treatment with ammonium sulphate in terms of the increment was discordant as it increased the sensitivity of birch to frost. Drought had a negative effect on increments. A combination of ammonium sulphate and drought; drought; ammonium sulphate and sprayed acid watering delayed the shedding of leaves; this was due to a longer vegetation period, significantly higher nitrogen content in these variants, with the exception of drought.

Keywords: Betula pendula; stress; acid rain; sulphur; nitrogen; drought; grow; phenology (search for similar items in EconPapers)
Date: 2004
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnljfs:v:50:y:2004:i:9:id:4636-jfs

DOI: 10.17221/4636-JFS

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