Critical Period of Weed Competition for Important Crops

Crop	Critical Period (DAS)
Rice (lowland)	35
Rice (upland)	60
Sorghum	30
Finger millet	15
Pearl millet	35
Maize	30
Cotton	35
Sugarcane	90
Groundnut	45
Soybean	45
Onion	60
Tomato	30