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CARACTERIZAÇÃO TECNOLÓGICA DA MADEIRA DE HÍBRIDOS DE EUCALIPTO IRRIGADOS E FERTIRRIGADOS

Authors: Benites, Patrícia Kerlly Ramalho Martins; Lopes, Adriano da Silva; Gouvêa, Adriana de Fátima Gomes; Silva, Fabiana Câmara da; Souza, Carla Carolline Borges de;

CARACTERIZAÇÃO TECNOLÓGICA DA MADEIRA DE HÍBRIDOS DE EUCALIPTO IRRIGADOS E FERTIRRIGADOS

Abstract

O objetivo do trabalho foi verificar o efeito da irrigação e fertirrigação nas propriedades tecnológicas das madeiras dos híbridos de Eucalyptus urograndis (Eucalyptus urophylla x Eucalyptus grandis) e Eucalyptus grancam (Eucalyptus grandis x Eucalyptus camaldulensis), visando a produção de celulose e de carvão vegetal. As análises foram realizadas com delineamento experimental inteiramente casualizado, disposto em esquema fatorial com dois fatores: híbrido (Eucalyptus urograndis e Eucalyptus grancam) e irrigação (microaspersão fertirrigada, microaspersão, gotejamento fertirrigado, gotejamento e tratamento-controle). Foram realizadas as análises de densidade básica das madeiras, teores de lignina insolúvel, extrativos totais, holocelulose, cinzas e caracterização morfológica das fibras em quatro árvores por híbrido, aos 45 meses. O efeito da interação híbrido x irrigação foi significativo a 5% de probabilidade para as variáveis analisadas, com exceção da lignina insolúvel e o índice de Runkel. A irrigação e a fertirrigação não influenciaram a densidade básica da madeira e o teor de lignina insolúvel no Eucalyptus urograndis. O teor de extrativos totais foi reduzido com a aplicação da fertirrigação. De modo geral, não houve influência dos tratos silviculturais nas dimensões das fibras. Dado os resultados apresentados, conclui-se que Eucalyptus grancam apresenta maior sensibilidade à aplicação da irrigação e fertirrigação, que podem ser aplicados aos híbridos Eucalyptus urograndis e Eucalyptus grancam sem prejudicar suas propriedades tecnológicas.

Keywords

Eucalyptus grancam, S, Agriculture, Forestry, qualidade da madeira, SD1-669.5, wood quality, carvão vegetal, charcoal, Eucalyptus urograndis

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
4
Average
Average
Average
Green
gold