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Revista Mexicana de Ciencias Forestales
Article . 2018 . Peer-reviewed
License: CC BY NC
Data sources: Crossref
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Densidad básica de la madera y poder calorífico en vástagos de tres cultivos dendroenergéticos

Authors: Julio Cesar Rios Saucedo; Rafael Rubilar Pons; Jorge Cancino Cancino; Eduardo Acuña Carmona; José Javier Corral Rivas; Rigoberto Rosales Serna;

Densidad básica de la madera y poder calorífico en vástagos de tres cultivos dendroenergéticos

Abstract

La densidad básica (DB) y poder calorífico superior (PCS) son atributos importantes en la producción de biomasa con fines dendroenergéticos. El objetivo de la presente investigación consistió en determinar la densidad básica de la madera y el poder calorífico superior en vástagos provenientes de tocones de tres cultivos dendroenergéticos. El estudio se realizó en la región del Biobío, Chile, en una plantación de Eucalyptus globulus, E. denticulata y Acacia dealbata con densidades de 5 000, 10 000 y 15 000 árboles por hectárea. Se observaron diferencias para DB de la madera entre especies y E. denticulata registró el nivel más alto en las tres densidades de plantación, con valores entre 0.46 y 0.49 g cm-3. Eucalyptus globulus y A. dealbata mostraron DB similar, con valores entre 0.38 y 0.45 g cm-3. El PCS presentó diferencias entre taxones, en cada tipo de vástago (adventicios y proventicios). Las hojas de vástagos proventicios tuvieron el PCS más alto, con valores de 5 280 kcal kg-1 (22.1 MJ kg-1) en E. globulus; 5 150 kcal kg-1 (21.5 MJ kg-1) en E. denticulata y 4 927 kcal kg-1 (20.6 MJ kg-1) en A. dealbata. En tallos y ramas se observaron niveles de PCS de 4 399 kcal kg-1 (18.4 MJ kg-1) a 4 691 kcal kg-1 (19.6 MJ kg-1). En los vástagos proventicios de E. globulus, E. denticulata y, en menor medida, A. dealbata se registraron valores aceptables para DB y PCS, lo que hace recomendable su uso con fines dendroenergéticos. Se sugieren podas y aclareos para manejar dos vástagos proventicios por tocón y con ello mejorar la DB y el PCS.

Keywords

calorimetría, calidad de madera, Forestry, cultivos de rápido crecimiento, Bioenergía, SD1-669.5, Environmental technology. Sanitary engineering, rotación corta, poder calorífico superior, TD1-1066

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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!
3
Average
Average
Average
gold