Table 2. Total crop yield kg ha-1 for the rice-wheat cropping system.
| Treatment | Grains per spike | 1000 grain weight g | Yield kg ha-1 | Yield% | |
|---|---|---|---|---|---|
|
Wheat |
CK | 26±2 | 31.7±1.3 | 1438.9±68.3cC | - |
| CF | 31±2 | 42.2±1.3 | 3172.2±53.0bB | ||
| OF | 33±2 | 46.3±0.7 | 3538.9±192.8aAB | 11.56 | |
| SRF | 32±4 | 44.1±1.1 | 3514.6±51.8aAB | 10.79 | |
| OF+UI | 34±2 | 46.2±1.2 | 3666.7±48.1aA | 15.59 | |
| OF+CT | 31±2 | 38.3±0.9 | 3031.7±52.8aAB | 9.98 | |
| CF+SI | 32±3 | 40.1±1.9 | 3287.1±81.8aA | 12.11 | |
| CF+DI | 31.9±2 | 41.2±1.2 | 3266.5±51.3bB | 11.32 | |
|
Rice |
CK | 151±8 | 20.3±0.9 | 5966.7±135.6cB | - |
| CFT | 220±6 | 25.5±0.9 | 8376.7±189.6bA | ||
| OPT | 239±7 | 26.1±1.3 | 8891.1±111.1aA | 6.14 | |
| SRF | 229±11 | 25.9±1.6 | 8633.3±155.0abA | 3.06 | |
| OF+UI | 244±7 | 26.7±0.6 | 8990.0±140.1aA | 7.32 | |
| OF+CT | 239±7 | 25.9±1.6 | 8697.9±121.3aA | 3.87 | |
| CF+SI | 204±9 | 22.1±1.7 | 7287.2±103.9bA | 5.51 | |
| CF+DI | 230±8 | 26.1±1.3 | 8981.1±141.1aA | 2.98 |
Lowercase letters indicate significant differences between treatments (P<0.05), and while capital letters indicate significant differences between treatments (P<0.01); ± show the standard errors (n = 3) of the replications.