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Questions and Answers
Which plant process requires water?
Which plant process requires water?
What is the annual rainfall range for the semi-arid climatic zone?
What is the annual rainfall range for the semi-arid climatic zone?
Why is supplemental irrigation needed in humid and sub-humid regions?
Why is supplemental irrigation needed in humid and sub-humid regions?
In which climate zone does the tropical rain forest exist?
In which climate zone does the tropical rain forest exist?
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What is the primary function of water in plant processes?
What is the primary function of water in plant processes?
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Water is required for such plant processes as: Digestion Photosynthesis Transport of mineral Structural support Growth Transpiration
Water is required for such plant processes as: Digestion Photosynthesis Transport of mineral Structural support Growth Transpiration
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Climate and irrigation requirement: (A) Climate and crop- Temperature Frost Day length
Climate and irrigation requirement: (A) Climate and crop- Temperature Frost Day length
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Irrigation requirement Arid regions – Rainfall 200 to 250 mm – Irrigation Semi arid – Rainfall 400 to 500 mm Sub humid – Rainfall 600 to 700 mm – Rainfall > 800 mm Dry short spells Humid
Irrigation requirement Arid regions – Rainfall 200 to 250 mm – Irrigation Semi arid – Rainfall 400 to 500 mm Sub humid – Rainfall 600 to 700 mm – Rainfall > 800 mm Dry short spells Humid
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Table 1 MAJOR CLIMATIC ZONES Climatic Zone Annual Rainfall (mm) Wet ______ (months) less than 100 0-1 Little or no vegetation Arid 100-400 1-3 Some scrubs, some grassland Semi-arid 400-600 3-4 Scrubs & bushes, grassland Sub - humid 600-1200 4-6 Bushes to woodland, grassland Moist sub-humid 1200-1500 6-9 Forest and woodland more than 1500 9-12 Tropical rain forest Desert Humid Vegetation
Table 1 MAJOR CLIMATIC ZONES Climatic Zone Annual Rainfall (mm) Wet ______ (months) less than 100 0-1 Little or no vegetation Arid 100-400 1-3 Some scrubs, some grassland Semi-arid 400-600 3-4 Scrubs & bushes, grassland Sub - humid 600-1200 4-6 Bushes to woodland, grassland Moist sub-humid 1200-1500 6-9 Forest and woodland more than 1500 9-12 Tropical rain forest Desert Humid Vegetation
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Arid Region To meet high ET due to solar radiation Leaching requirement water additional to ET Competition for available water supplies
Arid Region To meet high ET due to solar radiation Leaching requirement water additional to ET Competition for available water supplies
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