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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What is Chalisa?

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Chalisa is group of 40 turkish nobles very close to the ruler. This group of nobles was particularly formed to suppress the other nobles who might revolt against the emperor. In Indian medieval history the term was introduced and  founded by a Turkish emperor, Muhammad Ghori who is popularly known as the greatest slave emperor in the Medieval India. It is also known as Turkan-i-Chahalgani. It's a kind of secret agency of nobles that work inside out to put other nobles under control. Amongst the 40 members of the Turkan-i-Chahalgani or Chalisa, Balban was one of them. Balban later on seized power and became the emperor himself.
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life sucked before the green revolution, sucked after it too, meaning

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"Life of people has sucked in the period before the green revolution and even after it"  Green Revolution is the revolution in agriculture around the world Green Revolution involves the supply of  modern practices such as water, fertilizer, and chemical pesticides The period in the 1960’s was known as the green revolution. Green means green color and revolution means great development. Combining green and revolution makes the green revolution. Green revolution refers to the great advancement in the production of food crop and, crop production has improved so much so to the level that farmers saw their excess produce ready to be sold out into the market. life of people sucked before the green revolution Crop yields prior to the Green Revolution was very poor Prior to the Green Revolution people in the then underdeveloped countries like India, Pakistan, Nepal, Nigeria, the Philippines, and several other newly independent nations were living in half stomach ...
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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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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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Terrace Farming

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Terrace farming is a method of doing agriculture in hilly areas where the hill sides are being cut open into terraces as shown in this photo Terrace Farming This type of practice prevents the fast flow of rain water in the hilly field ans hence it prevents soil erosion too. Terrace farming is practice across the world; in India, Nepal, China, Brazil, Nigeria etc
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What is Laterite soil?

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Betel nut plantation is done  in the  leached  soil  of Meghalaya Laterite soil is also called Leached soil. It is mostly found in areas where there is a high amount of rainfall and snowfall and in places where the occurrence of glaciers are common. Pale red color laterite soil This soil is characterized by its high gravel content which makes it a poor supporter of plant growth. It is composed of the little amount of clay but a large amount of gravels and sands. In places like the Riwar part of the Meghalaya which received huge rainfalls the soil color ranges from red to grey. In other parts of the world, such soil is marked by pale red or just red color complexion. Laterite soil is very good for the plantation of betel nuts, tea, coconut etc. Laterite soil in Sohra, Meghalaya   (In the picture the soil was  added with farmyard manure)
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