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 species
Fuel material composition
100% wood
5% bark
10% bark
100% bark
Mean
Anogeisus leiocarpus
6.14b
6.18b
6.68b
10.23a
7.31g
Caccia arereh
8.58b
11.01a
11.45a
11.66a
10.68e
Balanites aegyptiaca
6.05c
8.98b
9.07b
13.28a
9.34f
Combretum molle
8.75b
9.57b
9.61b
16.37a
11.07e
Terminalia mollis
11.53d
11.93c
12.50b
15.13a
12.78d
Tarmarindus indica
13.83c
14.83b
14.90ab
15.40a
14.74c
Sclerocarya birrea
9.99c
10.90b
11.29b
29.96a
15.54c
Combretum lamprocarpum
14.73b
14.77b
15.40a
15.47a
15.09c
Piliostigma reticulatum
19.03a
19.13a
19.53a
19.63a
19.33a
Acacia sieberiana
15.83b
16.77a
16.80a
16.93a
16.58b
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.