Table 2 Density (plants·m⁻²) of different weeds as affected by mulching and weed control treatments at 120 DAS

Mulching levels

 No mulch

3.62 a

3.68 a

3.44 a

3.49 a

3.41 a

3.46 a

3.58 a

3.63 a

 Mulching with rice straw 7.5 t·ha⁻¹

2.19 b

2.22 b

2.23 b

2.26 b

2.07 b

2.10 b

2.17 b

2.19 b

Weed management

 Untreated control

4.84 a

4.91 a

4.68 a

4.75 a

4.45 a

4.51 a

4.99 a

5.07 a

 Weed free

1.00 f

1.00 f

1.00 d

1.00 d

1.00 c

1.00 c

1.00 d

1.00 d

 Pendimethalin (Pre) 1.5 kg·ha⁻¹ fb two hoeings at 45 & 90 DAS

2.87 c

2.91 c

2.38 c

2.42 c

2.87 b

2.91 b

2.41 c

2.43 c

 Two hoeings at 30 & 60 DAS fb quizalofop-p-ethyl 62.5 g·ha⁻¹ at 90 DAS

3.58 b

3.63 b

3.54 b

3.60 b

2.79 b

2.84 b

3.31 b

3.37 b

 Two hoeings at 30 & 60 DAS fb propaquizafop 50 g·ha⁻¹ at 90 DAS

3.52 b

3.57 b

3.68 b

3.73 b

2.85 b

2.89 b

3.34 b

3.39 b

 Pendimethalin (Pre) 1.5 kg·ha⁻¹ fb one hoeing at 45 DAS fb paraquat 1 kg·ha⁻¹ (Shielded spray) at 90 DAS

2.44 d

2.47 d

2.33 c

2.36 c

2.63 b

2.65 b

2.41 c

2.44 c

 Pendimethalin (Pre) 1.5 kg·ha⁻¹ fb one hoeing at 45 DAS fb glyphosate 2 kg·ha⁻¹ (Shielded spray) at 90 DAS

2.10 e

2.13 e

2.26 c

2.29 c

2.61 b

2.64 b

2.66 c

2.68 c