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) |
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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) |
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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 | ||||