| Parameters | Score Value (Si) | Weightage Factor (Wi) | ||||
| 5 | 4 | 3 | 2 | 1 | ||
| Total Carbon (TC) | >9.0 | 6.0 - 9.0 | 3.0 - 6.0 | 01.0 - 3.0 | <1 | 5 |
| Total Nitrogen (TN) | >1.25 | 1.01 - 1.25 | 0.81 - 1.00 | 0.51 - 0.80 | <0.51 | 3 |
| C: N ratio | <10.1 | 10.1 - 15 | 15.1 - 20 | 20.1 - 25 | >25 | 3 |
| Total Phosphorus (TP) | >0.60 | 0.41 - 0.60 | 0.21 - 0.40 | 0.11 - 0.20 | <0.11 | 3 |
| Total Potassium (TK) | >0.1 | 0.076 - 0.1 | 0.051 - 0.075 | 0.026 - 0.050 | <0.026 | 1 |
| Total Sulphur (TS) | >0.5 | 0.5 - 0.4 | 0.4 - 0.3 | 0.3 - 0.2 | <0.2 | 1 |