| Residue | SOC (%) | |||
| Tillage | Mean | |||
| MT | CT | DT | ||
| S0 | 0.64 | 0.60 | 0.48 | 0.57 |
| Sr | 0.75 | 0.71 | 0.57 | 0.68 |
| Sm | 0.76 | 0.72 | 0.61 | 0.70 |
| SW | 0.74 | 0.71 | 0.60 | 0.68 |
| Smr | 0.84 | 0.78 | 0.65 | 0.76 |
| Srw | 0.81 | 0.76 | 0.64 | 0.74 |
| Smw | 0.84 | 0.80 | 0.70 | 0.78 |
| Swrm | 0.86 | 0.82 | 0.72 | 0.80 |
| Mean | 0.78 | 0.74 | 0.62 | ? |
| SE (±) | Tillage (T) = 0.05, Residue (R) = 0.009 and T × R = 0.05 | |||
| CV (%) | 2.59 | |||
| Probability | Tillage (T) = NS, Residue (R) =** and T × R = NS | |||