Page 121 - General Knowledge

GENERAL KNOWLEDGE 2019

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 India is the 2 largest producer of rice in the world.
 India has the largest area in the world under rice cultivation.
 Productivity is low compared to wheat because Green Revolution primarily boosted wheat
production in India.

 The traditional rice fields are known as paddy fields and require being flooded with 10-12 cm
deep water in the early stages.
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 Rice requires temperatures between 20 and 30 C and well-distributed rainfall of about 100
cm or irrigation facilities.
Wheat
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 It is the 2 most important food crop in India. It is a Rabi crop. India stands second in
production of wheat worldwide.
 It is more flexible in terms of climatic and other conditions of growth.
 In India wheat is grown mainly in the northern plains during the cool season and the ideal
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temperature for its cultivation is about 15 to 20 C.
 Wheat requires a moderate amount of rainfall of 25 to 75 cm and can be grown even in dry
areas with the help of irrigation.

 Well-drained loam and clayey soils are ideal.
 The major wheat-producing states are Uttar Pradesh, Punjab, Haryana, Madhya Pradesh
and Rajasthan.
 Sonalika, Kalyan Sona and Sherbati are some of the high yielding varieties of wheat.

Maize
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 It was introduced in India in the 17 century; maize can also be grown over a wide variety of
areas.
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 Ideal temperature for this crop is about 35 C.
 It requires about 75 cm of rainfall and thrives beat on fertile alluvial and red soils having
good drainage.
 It can be grown on mountain soils too.
 Alternate spells of rains and sunny weather are ideal for maize.
 The highest cultivation of this crop is found in Uttar Pradesh, Bihar, Rajasthan, Punjab, and
Madhya Pradesh.
Bajra
 It is an important millet crop grown in India. It thrives in areas of warm dry climate.
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 It requires annual rainfall of about 45 cm and temperature ranging between 25 C and 30 C.
 This crop is generally grown on poor soils. Sandy loams with good drainage are ideal.
Rajasthan, Gujarat, Maharashtra and Haryana are the chief producers of bajra.
Cotton
 Cotton is the most important fibre crop and cotton seed is used as a vegetable oil and a part
of fodder for milch cattle for better milk production.
 Cotton is a Kharif crop and grows in tropical and subtropical areas. Cotton requires modest
rainfall and in India, it is one of the predominant rain fed crops.
 Cotton requires a uniformly high temperature (21°C to 30°C).
 It grows in areas having at least 210 frost free days in a year. Optimum soil for cotton is the
black soils of Deccan and Malwa plateau.

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