Table 2.
One-way variance analysis of soil pH, EC1:5, available P (AP), available K (AK), organic matter (OM), available N (AN), total N (TN) and cation exchange capacity (CEC) in the topsoil for the three management zones
| Management zones | No. of Samples | Soil properties |
||||||||
| pH | EC1:5 (mS/m) | AP (mg/kg) | AK (mg/kg) | OM (g/kg) | AN (mg/kg) | TN (g/kg) | CEC (cmol/kg) | Yield (g/plant) | ||
| 1 | 18 | 7.90 | 189.61 | 27.86 | 144.38 | 7.57 | 37.20 | 0.82 | 6.88 | 75.44 |
| 2 | 46 | 7.61 | 151.61 | 34.19 | 110.14 | 8.28 | 45.97 | 1.03 | 7.05 | 76.90 |
| 3 |
160 |
7.56 |
123.24 |
37.55 |
96.43 |
9.26 |
53.29 |
1.13 |
9.03 |
192.37 |
| Variance analysis | F value | 1.018 | 3.744 | 2.749 | 5.655 | 8.897 | 4.234 | 2.938 | 24.226 | 73.560 |
| Prob>F | 0.365 | 0.027 | 0.042 | 0.005 | 0.004 | 0.017 | 0.039 | 0.000 | 0.000 | |