Preliminary results of research on main growth characteristics of different poplar clones in ecological conditions of Východoslovenská Lowland

Š. Kohán
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Š. Kohán: Forest Research Institute, Research Station, Košice, Slovak Republic

Journal of Forest Science, 2002, vol. 48, issue 8, 372-376

Abstract: Height and diameter growth and volume production of 22 different clones of poplars were evaluated in Sliepkovce populetum at the age of 12 years. The populetum is situated on medium-heavy and medium humic uninundated alluvia of the Laborec river; typologically, the group of forest types is Ulmeto-Fraxinetum populeum. The results of evaluation documented that among the poplars under study the clones Gigant, OP-229 and BL achieved the best growth and maximum volume production while their mean height amounted to 22.9-23.8 m, mean diameter to 31.9-33.2 cm and average annual volume increment was 25.1-28.3 m3 per 1 ha. The growth of P. Rochester 20/66 poplar was considerably much slower: its mean height amounted to 17.3 m, mean diameter to 18.7 cm and average annual volume increment was 6.3 m3 per 1 ha. It will be necessary to carry out further studies to obtain more detailed values for these clones.

Keywords: poplars; height and diameter growth; volume production; Východoslovenská Lowland (search for similar items in EconPapers)
Date: 2002
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DOI: 10.17221/11896-JFS

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