| Treatment and formula | NPSB | K |
| T1 = Control (Farmers who, not use any fertilizer) | 0 | 0 |
| T2 | 0 | 25 |
| T3 | 0 | 50 |
| T4 | 0 | 100 |
| T5 | 50 | 0 |
| T6 | 50 | 25 |
| T7 | 50 | 50 |
| T8 | 50 | 100 |
| T9 | 100 | 0 |
| T10 | 100 | 25 |
| T11 | 100 | 50 |
| T12 | 100 | 100 |
| T13 | 200 | 0 |
| T14 | 200 | 25 |
| T15 | 200 | 50 |
| T16 | 200 | 100 |