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).

From: Influence of sowing dates and weed management practices on weed dynamics, productivity and profitability of direct seeded rice

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

  1. Figures in parenthesis are original values, data subjected to √x + 1 transformation.