Treatments

Weed density (m−2)

Fresh weight of weeds (m−2)

Dry weight of weeds (m−2)

Number of grain head−1

1000-grain weight (g)

Grain yield

(kg・ha−1)

Sowing date (SD)

SD1: (15th June)

124.67

378.58

75.679

2392.0b

7.5150

2771.2b

SD2: (30th June)

123.58

377.33

75.653

2545.5a

7.5483

2934.8a

SD3: (15th July)

105.33

338.42

67.724

2138.3c

6.8892

2530.1b

LSD (P = 0.05)

12.28

28.07

5.46

1.25

0.56

36.33

Weed control (W)

W1: (Control)

246.22a

742.33a

148.20a

1815.0d

6.3944d

2301.4d

W2: (Cultural practices)

53.89d

288.22b

38.33d

2942.2a

8.4544a

3176.6a

W3: (Chemical method)

73.22c

235.22c

47.43c

2483.2b

7.4322b

2892.8b

W4: (Sorghum water extract 10%)

98.11b

288.22b

58.12b

2194.0c

6.9889c

2610.6c

LSD (P = 0.05)

11.66

18.60

3.73

21.30

0.32

32.09