soils in india
DESCRIPTION
types of soilTRANSCRIPT
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Soils Of India
By
S.S.AVANTHIKAClass : IV
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SOILS OF INDIA
– Loose material and uppermost layer of earth’s
crust.
– Important natural resource.
– Provides nutrients & water to plants.
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TYPES OF SOILS• Eight major types:
– Alluvial soils– Black soils– Red soils– Laterite soils– Desert soils– Mountain soils
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ALLUVIAL SOIL– Formed by deposition of alluvium
by rivers.– Occupies 15 Lakh sqkm area in
India.– Contribute greatly in agricultural
development.
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ALLUVIAL SOIL
– Areas: Punjab, Haryana, Uttar Pradesh, Bihar, West Bengal, Assam, Parts of Orissa, Delta regions of South India
– Crops: Rice, Wheat, Sugarcane, Cotton, Jute.
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BLACK SOIL– Also known as Regur or Black
Cotton soil.– High clay content.– Covers 5.4 lakh sqkm.– Rich in iron, lime,
calcium,Magnesium, carbonates, and alumina.
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BLACK SOIL
– Areas: Maharastra, Madhya Pradesh, Andhra Pradesh, Karnataka, Tamil Nadu and Rajasthan.
– Crops: Cotton, Sugarcane, Groundnut, Millets, Rice, Wheat, Oilseeds.
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RED SOIL– More sandy and less clayey.– Rich in iron, small amount of Humus.– 3.5 lakhs sq.km area
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RED SOIL• Area :
– Tamil Nadu, Karnataka, Madhya Pradesh, Maharashtra, West Bengal, Eastern Rajasthan
• Crops : – Ragi, Groundnut, millet, Tobacco, Potato, Rice,
Wheat, Sugarcane.
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LATERITE SOIL• Latin word meaning brick.
– Brown to Yellowish colour.
– Used as building material.– Rich in Iron.– Poor in Lime, Potash, & Magnesium.– Occupies 2.4 Lakh sqkm
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LATERITE SOIL
• Areas: Parts of Assam, Karnataka, TamilNadu, Andhra Pradesh, Madhya Pradesh, Kerala.
• Crops: Tea, Coffee, Cashew, Rubber and Coconut.
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DESERT SOIL– Contains soluble salts.– 90% sand & 5% clay.– Rich in Nitrates & Phosphates.– Poor in Nitrogen & Humus.– 1.4 Lakh sqkm.
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DESERT SOIL
• Areas: Rajasthan, Haryana, Punjab, Gujarat.
• Crops: Drought resistant crops like millets and barley.
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MOUNTAIN SOIL– Found in hill slopes.– Formed by deposition of organic matter
from forest.– Rich in humus.– Poor in Potash and Lime.
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MOUNTAIN SOIL
• Areas: Assam, Kashmir, Sikkim & Arunachal Pradesh.
• Crops: Tea, Coffee, Spices & Tropical Fruits.
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