Table 6. Yield and Harvest Index of DSR under Variable Sowing Dates and Weed Management Practices (Pooled Data of 2 Years).
| treatments | grain yield (t ha–1) | straw yield (t ha–1) | biological yield (t ha–1) | H.I (%) |
|---|---|---|---|---|
| Dates of Sowing | ||||
| D1: 10th May | 7.3 | 8.9 | 16.3 | 44.5 |
| D2: 3rd June | 6.1 | 7.9 | 14.0 | 43.0 |
| SE(m) ± | 0.04 | 0.10 | 0.09 | 0.42 |
| CD (p ≤ 0.05) | 0.14 | 0.30 | 0.26 | 1.28 |
| Weed Management Practices | ||||
| W1: weedy check | 4.2 | 6.8 | 11.1 | 38.1 |
| W2: four conoweedings (equivalent to weed free) | 7.9 | 9.3 | 17.3 | 46.1 |
| W3: BSM + pretilachlor, PE | 6.9 | 8.5 | 15.5 | 44.7 |
| W4: oxyfluorfen, PE | 6.5 | 8.3 | 14.8 | 43.6 |
| W5: BSM + pretilachlor PE fb 2,4-D PoE | 7.5 | 8.9 | 16.4 | 45.6 |
| W6: oxyfluorfen PE fb 2,4-D PoE | 7.0 | 8.7 | 15.8 | 44.6 |
| SE(m) ± | 0.16 | 0.15 | 0.19 | 0.59 |
| CD (p ≤ 0.05) | 0.47 | 0.45 | 0.58 | 1.77 |