| Treatments | 1 TCV | 2 NB | 3 Returned Required by Farmer (100%*1) Rs ha−1 | 4 = [2 - 3] Residual (Rs ha−1) |
| +CR | ||||
| T1 (0 kg P2O5 ha−1) | 27,125 | 74,564 | 27,125 | 47,439 |
| T2 (40 kg P2O5 ha−1) | 27,605 | 89,512 | 27,605 | 61,907 |
| T3 (80 kg P2O5 ha−1) | 28,085 | 99,362 | 28,085 | 71,277 |
| T4 (120 kg P2O5 ha−1) | 28,565 | 90,540 | 28,565 | 61,975 |
| −CR | ||||
| T1 (0 kg P2O5 ha−1) | 25,125 | 36,427 | 25,125 | 11,302 |
| T2 (40 kg P2O5 ha−1) | 25,605 | 52,528 | 25,605 | 26,923 |
| T3 (80 kg P2O5 ha−1) | 26,085 | 76,541 | 26,085 | 50,456 |
| T4 (120 kg P2O5 ha−1) | 26,565 | 90,125 | 26,565 | 63,560 |