Artigo Acesso aberto Produção Nacional Revisado por pares

Effect of age and diameter class on the properties of wood from clonal Eucalyptus

2012; UNIVERSIDADE FEDERAL DE LAVRAS; Volume: 18; Issue: 1 Linguagem: Inglês

10.1590/s0104-77602012000100001

ISSN

2317-6342

Autores

Wilma Michele Santos Santana, Natalino Calegário, Marina Donária Chaves Arantes, Paulo Fernando Trugilho,

Tópico(s)

Agricultural and Food Sciences

Resumo

The objective of this work was to evaluate the influence of age and diameter class on the physical, thermal and chemical characteristics of a clone of Eucalyptus grandis and Eucalyptus urophylla. The material originated from a reforestation site owned by GERDAU S.A. and included trees at age 34, 48, 61, 74 and 86 months. Two trees were selected per age in each diameter class, observing the proportion of each established plot. Analyses of physical characteristics included wood basic density, dry matter weight and carbon stock, and of chemical characteristics included holocellulose, total extractives content, total lignin and ash content, in addition to elemental and thermal analysis of the wood. Results led to the conclusion that most wood properties were influenced by age and diameter class. The species was found to have great potential for production of biomass and generation of heat energy, potentially convertible into mechanical energy and electricity.

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