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

Table 1

Effect of bark inclusion on the carbon contents (%) of selected fuelwood species.

Tree species	Carbon
	100% W	5% B	10% B	100% B	Mean
A. leiocarpus	50.99^a	50.84^a	50.13^a	48.71^b	50.98^a
C. arereh	53.45^a	51.31^b	50.58^b	48.60^c	50.16^ab
B. aegyptiaca	51.24^a	50.59^ab	49.26^bc	47.94^c	49.76^b
C. molle	50.52^a	49.78^a	49.40^a	49.34^a	49.76^b
T. mollis	50.54^a	50.38^a	49.63^ab	48.29^b	49.72^b
T. indica	50.30^a	50.11^a	49.57^a	48.85^a	49.71^b
S. birrea	50.67^c	50.36^ab	49.83^b	47.94^c	49.58^b
C. lamprocarpum	50.49^a	50.12^a	49.79^a	48.19^b	49.65^b
P. reticulatum	50.92^a	50.07^ab	49.41^b	47.93^c	49.58^b
A. sieberiana	50.46^a	50.02^a	49.27^a	48.42^a	49.54^b

W is the wood, and B is the bark. Values with the same alphabets within the same rows are not significantly different, and values with the same alphabets in the mean column are not significantly different using Duncan multiple range test at α = 0.05.