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Changes in the wood quality of Eucalyptus trees caused by fertilization and water availability may influence the characteristics of biomass and charcoal. The aim of this study was to evaluate the effects of potassium and sodium fertilization (control; 4.5 kmol ha -1 of KCl and 4.5 kmol ha -1 of NaCl) and water availability (100% and 63% rainfall with artificial exclusion) on the energetic and physical characterization of biomass and charcoal. Eucalyptus trees of each fertilization x water availability treatments, at five years old , were cut down and the samples were taken at the DBH for the energetic and physical characterization of biomass and charcoal. The application of fertilization with K and Na did not influence the energetic and physical characteristics of biomass and charcoal. The partial exclusion of rainwater in the Eucalyptus grandis forest plantation promoted changes in the characteristics of biomass and charcoal, with reduction of ash content, and increase of wood and charcoal density and the charcoal gravimetric yield.

ciência florestal

Disponibilidade hídrica e fertilização mineral nas características da madeira e do carvão vegetal de &lt;i&gt;Eucalyptus grandis&lt;/i&gt; W. Hill ex Maiden