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Times of measurement optimalization in the investigation of leaf water potential daily course

  • Original Papers
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Biologia Plantarum

Abstract

Using the statistical analysis of leaf wator potential (ψ daily course of forest tree species (Quercus cerris, Acer campestre andCarpinus betulus) we have determined the optimal times of ψ measurement (i.e. at 08.00, 10.00 and 16.00) making possible the calculation of the ψ daily course resp. ψ-value at any time. The accuracy of the calculation does not deviate much from the errors of ψ measurement. The probable error of a single ψ-measurement was forQ. cerris 0.06 MPa and for bothA. campestre andC. betulus it was 0.05 MPa.

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Authors and Affiliations

  1. Slovak Academy of Sciences, Geophysical Institute, 842 27, Bratislava, Dúbravská cesta, Czechoslovakia

    F. Matejka

  2. Slovak Academy of Sciences, Institute of Hydrology and Hydraulics, 826 51, Bratislava, Trnavská 32, Czechoslovakia

    J. Huzulák

Authors
  1. F. Matejka
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  2. J. Huzulák
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Matejka, F., Huzulák, J. Times of measurement optimalization in the investigation of leaf water potential daily course. Biol Plant 24, 434–439 (1982). https://doi.org/10.1007/BF02880441

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  • DOI: https://doi.org/10.1007/BF02880441

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