DEFORMAÇÃO RESIDUAL LONGITUDINAL EM DIFERENTES ESPAÇAMENTOS E IDADES EM CLONE DE HÍBRIDO DE Eucalyptus

The utilization of Eucalyptus as supplier of raw-material for sawmills has been progressively increased. Trees of both best quality and dimensions represent an important market requirement. Therefore, the effects of forestry treats on the wood characteristics must be evaluated. This work veriied the influence of the spacing and of the age in the longitudinal residual strain (LRS), associated to the growth stresses, in clones of Eucalyptus. For determining LRS it was utilised an extensometer CIRAD- Foret . The experiment indicated a linear reduction in LRS with the enlargement of the spacing and a tendency of quadratic variation for the age factor.