Hydrosphere

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The water part of the earth is called hydrosphere. The oceans, seas, rivers, ponds, lakes, streams and all water bodies constitute the hydrosphere. Above the hydrosphere is the atmosphere and below it is the lithosphere. 

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Khadar - alluvial soil

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Khadar is also known as fresh alluvial soil. It is popularly known as New Alluvial. Khadar alluvial soil is the most fertile and most productive soil on Earth. This type of soil is mostly found near the river banks in the plains. Based on the age of formation and their fertility, alluvial soils are grouped into two groups viz - Bangar alluvial soil and Khadar alluvial soil. Khadar - alluvial soil (New) New alluvial along the bank of Brahmaputra in Assam It is the alluvial soil which is newly brought about by the fast flowing river during monsoon season. This soil contains fresh minerals, silts, dead leaves, gravels and sands. The freshly washed away humus and dirts from the forest by the rainfall and then by the river will be deposited along the river bank. In the plain areas these deposits will get disbursed to the paddy field and crop grown field and gave the field new and fresh manure with rich contents. These soils are light in color and are found near the river. ...
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Bangar - alluvial soil

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Bangar alluvial soil is also known as Bhangar soil or old alluvial in India. It is less fertile than khadar . Bangar alluvial soil less fertile and less productive than khadar. This type of soil is mostly found near the old river banks in the plains or in the upper reaches of rivers. Based on the age of formation and their fertility, alluvial soils are grouped into two groups viz - Bangar alluvial soil and Khadar alluvium . Bangar Old alluvial is full of rock and gravel in upper reaches of Brahmaputra in Assam The river course always changes with the change of time. The river bank will not follow the same reute forever. When its bank becomes shallow as a result of too much deposits the river will change its course and this leads to the lesser deposits of the new alluvial soil in the bank. The khadar soil in the old river bank will slowly lose their finer texture and their fertility and then they will be known as Bangar or old alluvial. Khadar New alluvial along ...
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life sucked before the green revolution, sucked after it too, meaning

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What is Laterite soil?

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Soil preparation

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