Table 7 Density (no. m−2) of BLWs 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 | 2.52 (6.38) | 3.20 (10.98) | 3.56 (14.01) | 3.26 (11.41) |
D2: June 3rd | 3.01 (9.25) | 3.62 (14.12) | 3.96 (17.27) | 3.69 (14.69) |
SE(m) ± | 0.08 | 0.06 | 0.008 | 0.04 |
CD (p ≤ 0.05) | 0.25 | 0.20 | 0.024 | 0.12 |
Weed managing practices | ||||
W1: weedy check | 4.50 (19.36) | 5.46 (28.95) | 6.23 (37.83) | 5.52 (29.59) |
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) | 2.91 (7.64) | 3.53 (11.61) | 3.82 (13.79) | 3.60 (12.16) |
W4: Oxyfluorfen, PE | 3.01 (8.19) | 4.17 (16.50) | 4.35 (18.05) | 4.23 (17.02) |
W5: bensulfuron methyl + pretilachlor (PE) fb 2, 4-D (PoE) | 2.56 (8.19) | 2.94 (7.81) | 3.43 (10.94) | 3.07 (8.58) |
W6: oxyfluorfen (PE) fb 2, 4-D (PoE) | 2.59 (5.95) | 3.36 (10.44) | 3.75 (13.23) | 3.44 (10.96) |
SE(m) ± | 0.08 | 0.09 | 0.10 | 0.08 |
CD (p ≤ 0.05) | 0.26 | 0.28 | 0.31 | 0.25 |