Table 11. NPK Uptake (kg/ha) of Grain and Straw of DSR under Variable Sowing Dates and Weed Management Practices (Pooled Data of 2 Years).
| treatments | grain (kg/ha) |
straw (kg/ha) |
||||
|---|---|---|---|---|---|---|
| N | P | K | N | P | K | |
| Dates of Sowing | ||||||
| D1: 10th May | 77.9 | 16.8 | 20.7 | 44.4 | 5.9 | 134.1 |
| D2: 3rd June | 63.5 | 12.7 | 15.4 | 36.2 | 4.0 | 108.5 |
| SE(m) ± | 0.54 | 0.21 | 0.24 | 0.77 | 0.29 | 2.38 |
| CD (p ≤ 0.05) | 1.62 | 0.65 | 0.74 | 2.31 | 0.89 | 7.14 |
| Weed Management Practices | ||||||
| W1: weedy check | 44.18 | 8.91 | 10.19 | 28.57 | 3.34 | 95.20 |
| W2: four conoweedings (equivalent to weed free) | 86.7 | 19.2 | 23.7 | 45.7 | 6.6 | 139.0 |
| W3: BSM + pretilachlor, PE | 72.3 | 14.5 | 17.9 | 40.3 | 4.4 | 121.7 |
| W4: oxyfluorfen, PE | 66.5 | 13.3 | 16.6 | 38.9 | 3.7 | 117.0 |
| W5: BSM + pretilachlor PE fb 2,4-D PoE | 79.9 | 17.1 | 20.7 | 43.3 | 5.9 | 129.5 |
| W6: oxyfluorfen PE fb 2,4-D PoE | 74.6 | 15.7 | 19.4 | 42.2 | 5.8 | 125.4 |
| SE(m) ± | 1.20 | 0.32 | 0.44 | 0.70 | 0.30 | 2.30 |
| CD (p ≤ 0.05) | 3.56 | 0.94 | 1.30 | 2.07 | 0.90 | 6.79 |