Biomass and Calorific Value of OneYear-old Eucalyptus with Various High Densities
Stands of 1 year-old DH32-29 eucalypt clone with nine different densities for energy-forest were investigated.Growth,biomass and calorific value of different organs from their stands were analyzed.The results showed that the effect of density on height and stem base diameter was obvious;the biomass of leaf and stem was decreased as the stand density increased.The individual plant biomass was decreased with density increasing while the stand biomass was on the contrary.The individual average GCV and ash contents among the densities of M156,M254,M204,and M154 had no significant difference.However as the stand density increased,the differences of individual ash contents and GCV between stands with high density and low density reached significant level.Through principal component analysis,four densities were chosen to be the suitalble for the energy-forest which were M202,M152,M154 and M252.