Bark and Heartwood Percentage and Density of Eucalyptus dunnii
The bark and heartwood percentages and the dendity of Eucalyptus dunnii were examined.The green volume was tested by drainage method,and bark percentage included bark volume percentage and bark quality percentage.The research showed that the bark percentage,he-artwood percentage and density of 5 year old Eucalyptus dunnii were 17.003%,15.139%,16.950%,0.484 g/cm3.There was no significant difference in bark percentage,heartwood percentage and density among different provenances.The basic density of wood from 10 provenances is medium density,which meets the requirements of fiber materials.