Table 6 Dry weight (g m−2) of sedges in Direct Seeded Rice in relation to changing sowing time and weed managing approaches (2 year pooled data).
Treatments | 30 DAS | 45 DAS | 60 DAS | At Harvest |
|---|---|---|---|---|
Sowing date | ||||
D1: May 10th | 2.91 (9.29) | 3.48 (13.64) | 3.96 (17.50) | 3.55 (14.19) |
D2: June 3rd | 3.34 (12.12) | 4.01 (18.09) | 4.69 (24.46) | 3.78 (18.74) |
SE(m) ± | 0.01 | 0.05 | 0.02 | 0.04 |
CD (p ≤ 0.05) | 0.05 | 0.12 | 0.06 | 0.12 |
Weed management practices | ||||
W1: weedy check | 5.63 (30.80) | 6.64 (43.29) | 7.00 (48.1) | 6.68 (43.76) |
W2: four conoweedings (equivalent to weed free) | 1.00 (0.00) | 1.00 (0.00) | 1.00 (0.00) | 1.00 (0.00) |
W3: bensulfuron methyl + pretilachlor (PE) | 3.15 (9.04) | 3.89 (14.31) | 4.55 (19.97) | 4.01 (15.19) |
W4: oxyfluorfen, PE | 3.29 (9.97) | 3.89 (14.34) | 4.70 (21.36) | 4.04 (15.51) |
W5: bensulfuron methyl + pretilachlor (PE) fb 2, 4-D (PoE) | 2.69 (6.38) | 3.41 (10.80) | 4.17 (16.73) | 3.44 (11.07) |
W6: oxyfluorfen (PE) fb 2, 4-D (PoE) | 2.99 (8.06) | 3.64 (12.44) | 4.51 (19.67) | 3.76 (13.25) |
SE(m) ± | 0.06 | 0.06 | 0.04 | 0.05 |
CD (p ≤ 0.05) | 0.18 | 0.18 | 0.12 | 0.17 |
