Ncert Notes Of Class 10th Geography,Sailing Yachts For Sale Queensland 88,2 Cool Fishing Boats For Sale Quotes - PDF Review
Removal of topsoil from one place to another by natural agencies is called soil erosion. Username or Email Address. Remember Me. Resource and Development:Geography Lessons for Class 10th. Agriculture: Geography Notes for Class 10th. Importance of Manufacturing and Economy- Manufacturing industries Class 10th. Previous Lesson. Next Lesson. Table of Contents. Soil Composition Ninety percent of the world population occupies only thirty percent of land area.
The remaining seventy percent of the land is either sparsely populated or uninhabited. All the economic activities are performed on land. The soil cover Class 10th Ncert Notes Geography Pdf on the land is essential for plant growth.
So land is necessary for agriculture. Causes of Land Degradation Large scale soil erosion caused by running water and wind. Dumping of waste materials from mining centers and industrial units. Over irrigatio n leads to an increase in salinity and alkalinity in the soil. Overgrazing by animals and deforestation by man. Wastewater from the industrial units pollutes the lands. Mineral processing like grinding of limestone for the cement industry and calcite and soap stone for ceramic industry creates a lot of dust.
This dust is deposited in the neighboring land Conservation of Land Soil erosion can be prevented by ending deforestation, controlling grazing, encouraging afforestation and practicing terrace farming in hilly areas. Preparation of shelter belts of plants and stabilizing of sand dunes by growing thorny bushes will help to prevent land degradation in deserts.
Mining activities should be controlled. New technology which reduces wastage can be adopted. Industrial waste should be chemically treated to remove the harmful substances Urban waste should be used for the production of biogas and bio-manure. It is formed due to the deposition of fine silt called alluvium by the rivers. It is found in the northern plains, Gujarat plains and the coastal plains It consists of sand, silt and clay. It is divided into K hadar and Bangar [new alluvium and old alluvium] It contains soil nutrients such as P otash, phosphoric acid and lime.
So, it is fertile and good for the growth of sugarcane, Ncert Class 10th Geography Chapter 3 Time rice, wheat and pulses. It is made up of extremely fine clayey materials. It has the capacity to hold moisture for a long time. These soils develop deep cracks in summer. This helps in the aeration of the soil. This soil is sticky. It is formed due to the weathering of volcanic rocks. It is very rich in potash, calcium carbonate, magnesium and lime. It is poor in phosphoric content 3. It is red in color because of the presence of iron in it.
Play and write types of Soil in the Image. Explain resource planning 2. What steps can be taken to prevent soil erosion in hilly areas 3. Mention any three features of arid soil 5. Back to Course. Class 10th Map Works Practice. Email Address. Phone Number. Choose Class 6th 7th 8th 9th 10th. Your Question. Add Me. Sign in to edusaint. Log In. Lost your password?
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