Essay on Soil Erosion: Factors, Types, Causes and Effects
Soil, erosion : Wind and water are powerful agents of soil erosion because of their ability to remove soil and transport. Chernozem is highly productive for small grain crops, such as wheat, oats, barley, and rye. Soil erosion is a national menace for the Indian agriculture and its bad effects are seen in other spheres also. They also occur in the valleys of the Narmada and Tapti in Madhya Pradesh and Gujarat, Mahanadi in Madhya Pradesh and Orissa, Godavari in Andhra Pradesh, and Cauvery in Tamil Nadu. The soil consists of a honeycombed mass of iron oxides which turn black after exposure to rain. These soils called reh, kallar soil erosion essay in tamil and usar variously, are infertile. Gully erosion is more common in areas where the river system has cut down into elevated plateaus so that feeders and branches carve out an intricate pattern of gullies. They also develop in the Eastern Ghats mountain range in India, Shillong plateau and Bihar plateau. Forest soils are deficient in potash, phosphorus and lime and need fertilisation for good yields. Because in this there is the quantity of the rock material and the part of the ignitions soil of the land. Pine vegetation is associated with this soil also. Composed of sediments deposited by rivers in the interior and sea waves along the coasts, these soils constitute the surface of the Great Plains from Punjab to Assam. The shallowing of the Brahmaputra causes flood every year.
Bhangar represents a system of older alluvium developed on the upper reaches of the streams where floods generally do not reach. Several factors contribute to soil deterioration. (iv) Laterite and lateritic soils (v) Forest soils (vi) Arid and Desert soil (vii) Saline and Alkali soils and (viii) Peaty and Organic soils. Benefits of Red soil Red soils are formed as the result of the drainage of the rocks and the lime stone, red soil erosion essay in tamil soils are less clayey and sandier in nature. On the map of the India if it is seen in the glimpse then it is seen that the one scrutinize that the north-western portions of the peninsular block are covered by black soil while the rest south-eastern. Erosion caused by the Kosi River has become proverbial. Sheet erosion is harmful since it removes the finer and more fertile top soil.
Short Essay on the Soil Erosion Its Conservation
Improper use of land leads to soil erosion. In India, red soil is found in many states including the Madhya Pradesh, And Andhra Pradesh, Southern Karnataka, Bihar, Maharashtra, Goa, Eastern Rajasthan, West Bengal and other states of North-East. The top soil is often blown off from the surface rendering it infertile. The agencies involved in soil erosion, exhaustion and degradation are running water, wind, snow, animals and human beings. The soils extend to the southern districts of Haryana and Punjab in the north and the Rann of Kachchh in the south. They are sandier and less clayey soils. Types of Soil-Erosion, erosion of soil by water is quite significant and takes place chiefly in two ways (a) Sheet erosion, (b) Gully erosion. Wind erosion is active in dry areas devoid of vegetation cover.
Soil Erosion in India Types and Causes Essay
Advertisements: Zonal soils display a characteristic latitudinal belt distribution. It is, therefore, necessary to keep soil in place and in a state favourable to its highest productive capacity. The red soils cover a large portion of land in India. Red soil in India have the lacks of nitrogenous material, phosphoric acid, organic matter but the red soil id soil erosion essay in tamil in rich in iron. (vi) Arid and Desert Soils: These soils are formed under arid and semiarid conditions in the northwestern parts of the country. The zonal order is comprised of soils which can be differentiated on the basis of humid and arid, semiarid, and subhumid climatic zones, in the humid climate class we have podzol, grey, brown podzolic, red-yellow podzolic, latosols, and tundra soils. Because of lime deficiency and soluble salt content, it is due to the presence of iron oxide deposits, that red soils get the unique red tint and are comparatively infertile. In addition to the direct loss of crop producing capacity, soil erosion increases the destructiveness of floods and decreases the storage capacity of water in reservoirs. In addition, they contain considerable amount of soluble salts. Soils are essential for man for growing crops, fodder and limber.
Intensive farming and overgrazing accelerate erosion and desertification. (a) Erosion by Water: Erosion by water can be soil erosion essay in tamil of several types, for example, sheet erosion, gully erosion, stream bank erosion, shore erosion and slip erosion. For example, when the forests are cut, the supply of humus to the soil stops, and the capacity of running water to remove its top layer grow. But in regions where the rivers overflow onto the plains, the erosion is severe. The soil is typical of the middle-latitude steppes and is suitable for livestock grazing.
Constant application of manures is very vital, in order to get a higher yield in this type of soil. Very similar to chernozem is the prairie soil. Erosion : This is the second stage of sheet erosion. Badland is a region with a large number of deep gullies or ravines,.g., Chambal Valley in Madhya Pradesh. Alluvial soils cover about.1 per cent of the countrys total land surface. Advertisements: The Indian Council of Agricultural Research (icar) divides the soil found in the country into 8 major groups which are (i) Alluvial soils including the coastal and deltaic alluvium, (ii) Black soils, of varying types (iii) Red soils, including red loams, yellow earths etc. The red soil contains the very rich content of iron plus small humus content. The bed of the Kaveri River in Tiruchirapalli and Tanjavur districts of Tamil Nadu, for example, has gradually risen and many of the old irrigation sluices and drainage inlets have got blocked.
Classification of Soil in India Essay - Worlds Largest
Is a typical area of its occurrence. It is co-extensive with the spread of the middle-latitude desert climate. Sheet erosion is common in the Himalayan foothills, in Assam, Western ghats and Eastern ghats. In West Bengal numerous gullies and ravines exist in the upper catchment areas of the Kangsabati River in Purulia district. Advertisements: Soil is one of the most important natural resources of man. Mainly the formation of the red soil is made up of the clay and the limestone. They also add humus to the soil by shedding leaves. (iv) Laterite and Lateritic Soils: Lateritic soils are formed under conditions of high rainfall and temperature with alternate wet and dry periods. It is therefore essential that the soils should not be allowed to wash or blow-away more rapidly than they can be regenerated, their fertility should not be exhausted and their physical structure should remain suited to continued production of desired plant materials. Besides, soil erosion essay in tamil demand for land for providing social priorities such as shelter, roads, industrial activities is increasing at a very fast rate with the rise in population and very often good agricultural and forest lands are being diverted to such use. They are neutral to acid reaction and deficient in nitrogen, humus, phosphoric acid and lime. In some regions, the top soil is blown away by wind in the dry season, and washed away by running water in the wet season. (a) Sheet movement of water causes sheet erosion and depends on the velocity and quantity of pronounced surface runoff and the erodability of the soil itself.
Short essay on Soil Conservation
In the soil erosion essay in tamil red soil, there are some grains can grow: Wheat, rice, cotton, sugarcane, and pulses are grown on red soil with the application of suitable fertilizers. Amazingly in the valleys and lowlands, Red Soils are deep and very fertile because it gets water regularly. Nature of Soil : Porous soils with good water-absorbing capacity are least subject to erosion, while the impervious soils are gradually eroded by the action of water. Advertisements: all bare follow land, all uncultivated land whose plant cover has been thinned out by over grazing, fire or other misuse, and -all sloping cultivated fields and on sloping forest, scrub jungles where natural porosity of soil. In that process, the heat which is produced in the reaction that causes the ignition of the soil and resultant that the soil gets red. Tamil, nadu, southern Karnataka, north-eastern Andhra Pradesh and some parts of Madhya Pradesh, Chhattisgarh, and Odisha. Introduction, red soil is the best part of the Indian earths land on which we can see by the physically in our surround of the state like in the. This is because the ground gets baked hard and the soil is unable to absorb the water easily.
Phosphorus is also deficient in some areas. English, tamil, info soil erosion soil erosion, erosion soil erosion meaning essay environment soil erosion, add a translation, get a better translation with 4,401,923,520 human contributions. They are found in the areas of low rainfall and this is because of the is because of the heat of the sun, the color of the soil becomes red. The chernozem is generally acidic. In many parts of India, hill sides have become barren because of overgrazing by goats.
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(b) Overgrazing of Land: by animals results in removal of grass over a large area making it easy for wind and running water to remove the soil. Red soils are airy and need irrigation support for cultivation. Red-yellow podzolic soil occurs south of the grey-brown podzolic belt. They have already degraded about 40 lakh hectares of land in the country. Small finger-like rills begin to appear on soil erosion essay in tamil the landscape. Red soils are clayey in profound depressions and they also consist of an exceedingly crude material in uplands. The presence of a good concentration of iron oxide and the reach in iron is responsible for giving this soil its reddish shade or yellowish. A typical area of its occurrence is Ukraine but it is also widespread in the Central.S.A., Central Africa, South America, and Australia.
Pattern of Soil Erosion in India: In India, soil erosion is the wearing away of the topsoil cover by natural agencies such as water and wind and also as a result of human and animal interference. (a erosion by Water: Erosion by water can be of several types, for example, sheet erosion, gully erosion, stream bank erosion, shore erosion and slip erosion. Words: 1720 Pages: 6 Paragraphs: 34 Sentences: 112 Read Time: 06:15. Advertisements: This phenomenon once started and if not checked, goes on extending and ultimately the whole land is converted into a bad-land topography. Forest and other natural vegetation are removed for human settlement, for cultivation, for grazing animals and for various other needs. When this happens, the entire soil layer may be removed in a few years. These salt-impregnated soils can be reclaimed by providing good drainage. The impacts of the raindrops increases the turbulance and transporting capacity of this unchannelized sheetwash which results in the uniform skimming of the top soil. These soils comprising red loams and yellow earths and derived from crystalline and metamorphic rocks rich in ferromagnesium minerals occupy much of the Peninsula reaching up to Rajmahal Hills in the East, Jhansi in the North and Kachchh in the west. Some of the major crops grown in the red soil in India include groundnut, millets, ragi, rice, potato, sugarcane, wheat, tobacco etc.