Response and economic feasibility of maize (Zea mays L.) to P fertilization in acidic Alfisols of North-western Ethiopia

Environmental Systems Research

Table 4 The effect of phosphorus fertilizer rates on grain, dry stubble and dry biomass yields

Fertilizer rate (kg ha⁻¹)	Grain yield (kg ha⁻¹)	Dry stubble yield (kg ha⁻¹)	Dry biomass yield (kg ha⁻¹)
0	4275.42 b	6717.75 c	10458.74 c
30	4918.37 a	7681.96 b	11985.53 b
60	5167.86 a	8167.68 ab	12689.66 ab
90	5346.73 a	8468.45 a	13140.79 a
150	5240.23 a	8086.18 ab	12661.51 ab
F test	**	**	**

Note: Means followed by a common letter in a column are not significantly different at the 5 % probability level by DMRT
**, ns—F test significant and non significant at p < 0.05, respectively