| Components | Statistic | |
| Value of t | Probability | |
| N-NH3 | 8.67 | 0.003 |
| N-NO2 | 2.42 | 0.094 |
| NTK | −7.87 | 0.004 |
| N-NO3 | 6.6 | 0.007 |
| Total Phosphorus | 3.46 | 0.040 |
| Orthophosphate | −6.33 | 0.008 |