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

Environmental Systems Research

Table 3 The effect of phosphorus fertilizer rates on yield components

Fertilizer rate (kg ha⁻¹)	1000-grain weight (kg)	Number of kernels per ear	Number of ears per plant
0	0.4186	355.23 b	1.0068 b
30	0.4213	377.33 a	1.0307 a
60	0.4182	390.23 a	1.0293 a
90	0.4172	396.67 a	1.0397 a
150	0.4120	399.66 a	1.0435 a
F test	ns	**	**

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