Applied P (kg/ha) | Agronomic Use Efficiency of Phosphorous (kg grain/kg P) | |||||
Salima | Dedza | Lilongwe | ||||
Mean | Change | Mean | Change | Mean | Change | |
7.5 | 213.18 | 216.86 | 57.84 | |||
15 | 133.01 | −80.17* | 103.25 | −113.61* | 32.91 | −24.93* |
22.5 | 79.39 | −133.79* | 70.6 | −146.26* | 21.52 | −36.33* |
CV (%) | 21.11 | 24.63 | 66.17 | |||
P (0.05) | 0.00 | 0.00 | 0.01 | |||
Critical D Value | 2.38 | 2.42 | 2.36 |