| Popis: |
The source of energy at household level in Ethiopia mostly comes from wood biomass. The increasing population and shrinkage of natural forests resulted in shortage of wood supply for energy. Hence, looking for fast-growing with better fuel wood characteristics is required to access wood and for the supply of fuelwood consumption. This study aims to select tree species with better biomass and good fuel wood characteristics. Seven tree species: Acacia polyacantha, Acacia abyssinica, Eucalyptus camaldulensis, Albizia lophantha, Acacia melanoxylon, Acacia decurrens, and Eucalyptus globulus were selected to study the growth performance, biomass and fuel wood characteristics. Six trees per species were randomly selected and harvested for fuel wood property (wood moisture, ash content and fiber content) analysis. Acacia abyssinica, Acacia polyacantha and Eucalyptus camaldunesis showed better survival rates than other species. The better height performance was recorded from Acacia .decurrens, Acacia polyacantha, Eucalyptus camaldulensis, and Eucalyptus globules. A. polyacantha and A.decurrens provided the highest biomass. A. decurrens showed the lowest wood moisture (31.1%) and wood density (0.76 g/cm3), and the lowest ash content (2.2%). Hence, A. decurrens and A. polyacantha are recommended for fuel wood due to high density, low moisture, and low ash content and good biomass production. |
