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Last Updated:: 02/03/2024
Critical growth stages and water requirements of important crops
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Crop
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Critical growth stages
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Average crop duration (days)
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Water requirement (mm)
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Rice
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Tiller initiation, flowering and milky stage
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90-130
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900-2500
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Wheat
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Crown root initiation, flowering, joining, milky and tillering
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135
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400-450
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Pulses
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Flower initiation and pod filling
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90-120
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250-300
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Groundnut
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Pegging and pod formation
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105
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600-450
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Sugarcane
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Emergence, tiller formation and elongation
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330
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1400-3000
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Banana
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Early vegetative phase, bunch initiation and flowering
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300
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3000
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Cassava
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Rooting, early tuberization and tuber development
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300
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400-750
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Maize
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Silking and cob development
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100
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400-600
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Sorghum
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Knee-height stage, flowering and grain filling
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100-120
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250-300
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Cotton
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Commencement of sympodial branching, flowering, boil formation and boil bursting
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165
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600-700
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Source: http://www.keralaagriculture.gov.in/
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