Research Article

Evaluation of Elemental and Chemical Compositions of Some Fuelwood Species for Energy Value

Table 6

Effect of bark inclusion on the extractive content (%) of selected fuelwood species.

Tree speciesFuel material composition
100% wood5% bark10% bark100% barkMean

Anogeisus leiocarpus6.14b6.18b6.68b10.23a7.31g
Caccia arereh8.58b11.01a11.45a11.66a10.68e
Balanites aegyptiaca6.05c8.98b9.07b13.28a9.34f
Combretum molle8.75b9.57b9.61b16.37a11.07e
Terminalia mollis11.53d11.93c12.50b15.13a12.78d
Tarmarindus indica13.83c14.83b14.90ab15.40a14.74c
Sclerocarya birrea9.99c10.90b11.29b29.96a15.54c
Combretum lamprocarpum14.73b14.77b15.40a15.47a15.09c
Piliostigma reticulatum19.03a19.13a19.53a19.63a19.33a
Acacia sieberiana15.83b16.77a16.80a16.93a16.58b

Values with the same alphabets within the same species and among species in mean column are not significantly different using Duncan multiple range test at α = 0.05.