Saturday, 21 March 2015

WORLD’S MAJOR CROPS DISTRIBUTION WHEAT

WORLD’S MAJOR CROPS DISTRIBUTION

WHEAT

It probably originated in Asia Minor and the Middle East

CONDITIONS REQUIRED
REGIONS OF CULTIVATION

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.

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.

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
REGION OF CULTIVATION

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.
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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