Table 3 Total weed dry weight (g·m⁻²) from different mulching and weed control treatments at 30 and 120 DAS

Mulching levels

 No mulch

5.37 a

5.50 a

6.36 a

6.45 a

 Mulching with rice straw 7.5 t·ha⁻¹

2.59 b

2.65 b

3.72 b

3.77 b

Weed management

 Untreated control

4.93 a

5.03 a

8.81 a

8.93 a

 Weed free

1.00 c

1.00 c

1.00 e

1.00 e

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

4.18 b

4.24 b

4.71 c

4.78 c

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

4.74 a

4.90 a

6.06 b

6.15 b

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

4.73 a

4.88 a

6.15 b

6.25 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

4.14 b

4.25 b

4.29 d

4.35 d

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

4.15 b

4.24 b

4.27 d

4.32 d