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The deltaic alluvium on the eastern coast has also been deposited by river-channels. In Gangetic plains, these soils are known as riverine alluvium. AEROBIC: Soils in which free oxygen is abundant and chemically oxidising processes prevail. (2) Places : These soils are found in the entire northern plains, Rajasthan, Gujarat (a narrow corridor), eastern coastal plains particularly in the deltas of the Mahanadi, the Godavari, the Krishna and the Kaveri rivers. Alluvial soils. (ii) Black Soil-This soil covers the greater part of Maharashtra, Gujarat, the whole of Andhra Pradesh and the Western part of Madhya Pradesh. Alluvial soils, the depositional soils transported by rivers, ... the black soil is very deep. The unsaturated zone above the water table is also known as the _____. It is also found in the cracks and holes, resulting from the activities of … (a) Black sol (b) Laterite soil (c) Alluvial soil (d) Red soil Ans : (c) Alluvial soil 20. These soils are of two types – old alluvial soil known as bangar and new alluvial soil known as khadar. Alluvial soils are of the greatest interest for fish culture. This usually occurs in well drained soils with good structure. Alluvium is typically made up of a variety of materials, including fine particles of silt and clay and larger particles of sand and gravel. True. This soil is of volcanic origin. The black soils are generally clayey, deep and impermeable. Which soil is also known as regur soil? Soils also contain a proportion of air in the free pore spaces between soil particles and clumps or aggregates. Answer: The chief region of Alluvial Soils in India is the Indo-Gangetic plain, where Alluvial Soils have been deposited mostly by rivers. Alluvial soil is also known as riverine soil because it is mainly found in the river basin.Alluvial soils are very fertile.They contains potash,phosphoric acid and lime which are ideal for the growth of sugarcane,paddy,wheat and other cereal and pulse crops.Soils in the drier areas are more alkaline . Black soil is rich in chemical properties and very suitable for the growth of cotton, jowar, wheat, linseed, ground nut and gram. They are found ... Air in soil . This soil gets deposited on the river banks when the river overflows on it. ALLUVIAL: Alluvial refers to sediment deposition in riverine landscapes. The coastal belts are the areas of alluvium. Much of the city of New Orleans is below sea level, yet it was not an … They swell and become sticky when wet and shrink when dried. Question 4: Alluvial Soils are also called ‘Riverine Soils’. The lower horizons of the arid soil is occupied by kankar due … They spread over an area of 15 lakh km 2 or 40% of the total area of India. It is also known as Deccan Trap Soil … Why? They are derived from the sediments deposited by the Indo-Gangetic rivers. Alluvial soils are widespread in the plains of northern India and the river valleys. Alluvial soil is also known as riverine soil because they are found in river basins and are formed when streams and rivers slow their velocity. These soils are also known as the ‘Regur Soil’ or the ‘Black Cotton Soil’. The alluvial soil is formed by the deposition of the sediments brought by the rivers staring form the mountains (its origin). (a) Black soil (b) Red soil (c) Alluvial soil (d) Laterite soil Ans : (a) black soil 21. ALLUVIUM: Alluvium is the sediment deposited from transportation by channelled stream flow or over-bank stream flow. 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