india soil

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Good Morning Topic – India (soil) Made by – Archit khandelwal

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Types of soils There Are Eight Major Types, According To Indian Council Of Agricultural Research (ICAR). Alluvial soils Black soils Red soils Laterite soils Desert soils 6.Mountain soils 7. Saline and Alkaline soils 8. Peaty and Marshy soils

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Map showing the major Regions of soil in I ndia

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Alluvial Soil It Formed By Deposition Of Alluvium By Rivers. It Occupies 15 Lakh Sq.km Area In India. It Contribute Greatly In Agricultural Development. 4. Spreaded Over The Entire Northern Plains. 5. According to age, alluvial soil can be classified into old alluvial (Bangar) and new alluvial (Khadar). Areas :- Punjab, Haryana, U.P, Bihar, W.B, Assam, Parts of Orissa, delta regions of S.India

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Black soil Also known as Regur or Black Cotton soil. Dark grey to Black in colour. High clay content. Highly moist retentive. Develops cracks in summer. Covers 5.4 lakh sq.km. Highly suitable for cotton. Rich in iron, lime, calcium, Magnesium, carbonates, and alumina. Areas :- Deccan Trap which includes: Maharastra, M.P, Parts of A.P, Karnataka, Parts of T.N and Rajasthan.

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Red soil Formed due to weathering of old crystalline rocks More sandy and less clayey. Rich in iron, small amount of Humus. Poor in phosphorus, nitrogen and lime. Slightly acidic and do not retain moisture. 3.5 lakhs sq.km area. Porous and Friable. Areas:- of low rainfall. In the eastern and southern parts of deccan plateau.

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Laterite Soil Formed under high temperature and rainfall with wet and dry spell. Silica is leached due to high rainfall. Remnants of iron and aluminum oxides left behind is know as Laterite. Becomes hard when exposed to atmosphere. Used as building material. Latin word meaning brick. AREAS:- Kerala, Karnataka, Tamil Nadu, Madhya Pradesh, Hilly areas of Orissa and Assam.

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Desert Soil Contains soluble salts. Originated by Mechanical . Porous and coarse. 90% sand & 5% clay. Rich in Nitrates & Phosphates. Poor in Nitrogen & Humus. Friable, sandy & low moist content. 1.4 Lakh sq.km. Areas : Arid and Semi arid regions of Rajasthan, Haryana, Punjab, Gujarat.

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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. Areas: Assam, Kashmir, Sikkim & Arunachal Pradesh.

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Saline & Alkaline Soil Contains salts like sodium, magnesium ,calcium. Infertile, unfit for cultivation. Sandy to loamy in texture. Areas: Parts of Gujarat, Rajasthan, Punjab, Haryana, U.P & Maharashtra.

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Peaty And Marshy Soil Occur in Humid region. Formed by accumulation of organic matter. Black in colour. Highly acidic and heavy. Areas: Kottayam & Alleppey in Kerala, Coastal Orissa, Sundarbans of W.B

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