SHEET-1 SOILS IN INDIA 1. Name two states in India where Regur soil is found. In what way Regur soil help agriculture? 2. Name the process by which Laterite soil is formed. What climatic conditions are responsible for its formation?Mention 5 main characteristics of Laterite siol. 3. Name two important agents of soil erosion. For each‚ state two methods of controlling the erosion caused. 4. What is soil conservation? How does reforestation help in soil conservation
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Mountains‚ is in cattle pastures.” We examined the land use capacity and made an evaluation the class of the soil. Honestly‚ this was a very interesting project for me because I had never done an experiment like such. Having carried out the measurement of the site parameters in the field I feel that it can be done by ordinary farmers. The farmers have much more knowledge about how their farms and soil work. I had no special training nevertheless knowledge of how farms developed good crops; if I can do
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ways. a. Raindrop Splash and Sheet Erosion. The first step in the erosion process begins as raindrops impact the soil surface. Raindrops typically fall with a velocity of 20-30 feet per second. The energy of these impacts are sufficient to displace soil particles as high as two feet vertically. In addition‚ the impact of a rainfall on a bare soil can compact the upper layer of soil‚ creating a hard crust that inhibits plant establishment. Sheet erosion occurs as runoff travels over the ground‚
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CHAPTER 8 Soil Compaction Soil compaction is one of the most critical components in the construction of roads‚ airfields‚ embankments‚ and foundations. The durability and stability of a structure are related to the achievement of proper soil compaction. Structural failure of roads and airfields and the damage caused by foundation settlement can often be traced back to the failure to achieve proper soil compaction. Compaction is the process of mechanically densifying a soil. Densification
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APPSC G1 Mains - Paper 4 - Section 2 - Unit 3 The term "Environment" is defined as our surroundings which includes the abiotic component (the non living) and biotic component (the living) around us. The abiotic environment includes water‚ air and soil while the biotic environment consists of all living organisms – plants‚ animals and microorganisms. Environmental pollution broadly refers to the presence of undesirable substances in the environment which are harmful to man and other organisms. In
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Soil conservation includes all such measures which protect the soil from erosion and restore its fertility. These measures are of two types-(a) small measures to check soil erosion at local or even individual level‚ and (b) large measures at government level involving larger area and heavy investment. (a) Small Measures-These include afforestation‚ regularised land strip cultivation or contour farming or terrace farming in hilly areas‚ use of stubble mulch system‚ increasing cohesiveness of the
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Watershed Management and Soil Erosion Forests provide a buffer to filter water and to hold soil in place. They sustain water and soil resources through recycling nutrients. In watersheds where forests are degraded or destroyed‚ minimum flows decrease during the dry season‚ leading to drought‚ while peak floods and soil erosion increase during the wet season. Flooding along the Baram River in Sarawak has increased significantly since logging began‚ the major floods occurring in 1979 and 1981.168
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Factors that Affect Soil Nutrients Nutrient availability can be influenced by several factors and these include: 1. Soil Ph: The relative concentration of the hydrogen irons and or hydroxyl irons may either increase or decrease nutrient availability. 2. The Presence of Other Nutrients: The essence of the various mineral salts will either increase or decrease the other mineral salts in the soil. 3. Leaching: This encourages the draining of mineral salts from the topsoil to subsoil thereby depriving
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treat containments such as sludge from refineries. F. Although degrading hydrocarbons from soil had been slightly practiced since the early 1900s‚ with the increasing publicity of bioremediation‚ the practice became more widely used. From here bioremediation took a giant leap as its many uses became more apparent. ii. Microorganisms could be used to treat a wide variety of medium from soil to groundwater and the ocean‚ bioremediation was beginning to emerge G. Around the beginning
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Environmental Pollution There are three main branches how we are destroying our environment the air pollution‚ water pollution and soil contamination. I chose this topic because I find it very important because it affects our environment‚ and not only that‚ indeed‚ we affect it and the consequences that could arise destroy our home planet. In this essay I will talk about environmental pollution‚ the reason for environmental pollution‚ its consequences and possible solutions. Trying to
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