WORLD’S MAJOR CROPS DISTRIBUTION
WHEAT
It probably originated in Asia Minor and the Middle East
CONDITIONS REQUIRED
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REGIONS OF CULTIVATION
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Warm dry, sunny ripening period.
A frost free period of 90 100 days for spring wheat, 280 days for
winter wheat.
Annual rainfall of 25 cm – 90 cm.
Well – drained rich loam soils.
Undulating level Land for use of Machinery.
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Mid – Latitude grassland regions.
Prairies in North America,
Steppes in Europe,
Pampas in Argentina, South Africa and south east Australia. Other
regions like Mediterranean region, North china and even desert and semi
desert regions.
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WORLD’S MAJOR CROPS
DISTRIBUTION
RICE
Rice or paddy is the staple food of over half of the world’s
population and is the main cereal of humid tropics and sub – tropics.
CONDITIONS REQUIRED
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REGION OF CULTIVATION
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Growing season of four months with temperature between 20˚C -25˚
C.
Annual
rainfall of at least 125 cm in the growing season.
Rich
alluvial soil with an impermeable subsoil to retain the water.
Large
labour force to raise and harvest the crop.
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Deltaic plains, coastal lowlands and river basin of Monsoon Asia in
China, Japan, South East Asia, India and Bangladesh.
Also grown in river plains outside Monsoon Asia.
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