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Maderas. Ciencia y tecnología

versión On-line ISSN 0718-221X

Resumen

PADUA, Franciane Andrade de et al. Recommendation of non-destructive sampling method for density estimation of the Eucalyptus wood. Maderas, Cienc. tecnol. [online]. 2019, vol.21, n.4, pp.565-572. ISSN 0718-221X.  http://dx.doi.org/10.4067/S0718-221X2019005000412.

This study aimed to determine the wood density using destructive and non-destructive sampling methods in a eucalypt hybrid clonal and determine the best point for the non-destructive sampling of the tree. A 5,6-year-oldEucalyptus urophylla x Eucalyptus grandis hybrid clone, from an energetic forest, was used, planted in the municipal district of Martinho Campos, MG, Brazil. The trees were sampled by three methods of destructive sampling. The traditional method (0%, 25%, 50%,75% and 100% of the commercial height Hc); alternative method (2%, 10%, 30% and 70% Hc) and via a meter by meter method starting from a height of 1,30 m from the soil (DBH). Three non-destructive sampling methods were also appraised: Resistograph®, Pilodyn® and 22 mm diameter cores at a DBH. The use of the Resistograph® at the 1,10 m or 1,50 m points and the Pilodyn® at 1,50m of height from the soil results the best correlations with the basic density determined by the three destructive sampling methods considered.

Palabras clave : Basic density; eucalypts; Pilodyn; Resistograph; non destructive properties..

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