Table 5.
Results of multiple regression of the minimum data set (MDS) components using management goal attributes at different probability (P) levels.
| Goal or function | R2 | Most significant MDS variables | P |
|---|---|---|---|
| SYI- Wet season | 0.981a | pH, Ctot, K, MBC | <0.030,<0.001,<0.032 |
| SYI-Dry season | 0.966a | pH, BD, K, Zn, MBC | <0.0049, <0.037,<0.0416,<0.000 |
| Yield-Wet season | 0.285 (NS) | pH | <0.032 |
| Yield-Dry season |
0.154 (NS) |
– |
|
| Regression equation | |||
| SYI-Wet season = 0.576 + 0.067 pH + 0.003Ctot + 0.001 K + 0.0002 MB C | |||
| SYI-Dry season = 0.441 + 0.136 pH −0.369 BD + 0.001K-0.002Zn + 0.0004 MB C | |||
| Mean yield over years- Wet season = −258.3 + 139.37 pH | |||
| Mean yield over years- Dry season = 0 | |||
a
Significantly different at P ≤ 0.01.