Levels of Biochar and NPS Fertilizer Rates on Growth, Yield Component, and Yield of Maize (Zea mays L.) at Guto Gida, Western Ethiopia

Table 4

Interaction effect of biochar levels and inorganic NPS fertilizer rates on plant height (cm) and leaf area index (LAI) of maize in Guto Gida, Western Ethiopia.

Biochar (t·ha^−1)	NPS (kg·ha^−1)	Plant height (cm)	Leaf area index
0	0	251.70^f	3.837^h
0	50	271.90^b	4.397^efg
0	100	281.00^a	4.614^b-f
2	0	266.70^c	4.227^g
2	50	265.50^cd	4.209^g
2	100	267.80^c	4.671^b-e
4	0	265.00^cd	4.393^efg
4	50	267.20^c	4.441^d-g
4	100	267.00^c	4.6970^b-e
6	0	265.60^cd	4.474^c-g
6	50	261.90^de	4.735^bcd
6	100	268.20^bc	4.789^bc
8	0	259.00^e	4.298^fg
8	50	265.60^cd	4.942^b
8	100	264.50^cd	5.557^a
LSD (0.05)		3.926	0.335
CV (%)		0.9	4.4

LSD = least significant difference; CV = coefficient of variation (%). Means in the same column followed by the same letter(s) are not statistically significant different at 5% probability level.