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class X
geography
ch1
Q11. What are different types of Soil erosion? Explain the different methods of soil conservation.
Q12. How is Alluvial Soil formed? How is Banger different from Khaddar?
Q.13 What are the major causes of land degradation? How can we resolve the problem of the land
degradation?
Q14. Explain the major features of the Arid Soil?
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Answers
Explanation:
and 11 Techniques for improved soil conservation include crop rotation, cover crops, conservation tillage and planted windbreaks, affect both erosion and fertility. When plants die, they decay and become part of the soil.
ans 12 Alluvial soils are formed as a result of river deposits. Bhangar is the older alluvial soil which is less fertile. ... Khadar is new alluvial soil which is more fertile than the bhangar. It contains less kanker nodules.
ans 13 Main Causes of Land Degradation are as follows:
Deforestation: Forests play an important role in maintaining fertility of soil by shedding their leaves which contain many nutrients. ...
Excessive Use of Fertilizers and Pesticides: ...
Overgrazing:
Salination:
ans 14 Arid soils range from red to brown in colour. They are sandy in texture and saline in nature. ... Due to dry climate, high temperature, evaporation is faster and the soil lacks humus and moisture. The lower layers of the soil are occupied by Kankar because of the increasing calcium content downwards.
Answer
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Here is your answer:-
Q.11) Techniques for improved soil conservation include crop rotation, cover crops, conservation tillage and planted windbreaks, affect both erosion and fertility. When plants die, they decay and become part of the soil. Code 330 defines standard methods recommended by the U.S. Natural Resources Conservation Service.
Q .12) Alluvial soils are formed by the deposition of materials brought down by the rivers. This process of deposition continues for millions of years leading to accumulation of soil into thick layers.
Alluvial soils are formed by the deposition of materials brought down by the rivers. This process of deposition continues for millions of years leading to accumulation of soil into thick layers.These have been deposited by three important Himalayan rivers namely the Indus, Ganga and the Brahmaputra.
Alluvial soils are formed by the deposition of materials brought down by the rivers. This process of deposition continues for millions of years leading to accumulation of soil into thick layers.These have been deposited by three important Himalayan rivers namely the Indus, Ganga and the Brahmaputra.Differences :
Alluvial soils are formed by the deposition of materials brought down by the rivers. This process of deposition continues for millions of years leading to accumulation of soil into thick layers.These have been deposited by three important Himalayan rivers namely the Indus, Ganga and the Brahmaputra.Differences :Khadar
Alluvial soils are formed by the deposition of materials brought down by the rivers. This process of deposition continues for millions of years leading to accumulation of soil into thick layers.These have been deposited by three important Himalayan rivers namely the Indus, Ganga and the Brahmaputra.Differences :Khadar (i) These are the new alluvium deposited recently.
Alluvial soils are formed by the deposition of materials brought down by the rivers. This process of deposition continues for millions of years leading to accumulation of soil into thick layers.These have been deposited by three important Himalayan rivers namely the Indus, Ganga and the Brahmaputra.Differences :Khadar (i) These are the new alluvium deposited recently.(ii) These are fine and fertile.
Alluvial soils are formed by the deposition of materials brought down by the rivers. This process of deposition continues for millions of years leading to accumulation of soil into thick layers.These have been deposited by three important Himalayan rivers namely the Indus, Ganga and the Brahmaputra.Differences :Khadar (i) These are the new alluvium deposited recently.(ii) These are fine and fertile.(iii) These are found near the river in the flood plains and deltas.
Alluvial soils are formed by the deposition of materials brought down by the rivers. This process of deposition continues for millions of years leading to accumulation of soil into thick layers.These have been deposited by three important Himalayan rivers namely the Indus, Ganga and the Brahmaputra.Differences :Khadar (i) These are the new alluvium deposited recently.(ii) These are fine and fertile.(iii) These are found near the river in the flood plains and deltas. (iv) These are sandy and light in colour.
Q.13) Land degradation can be checked in the following ways:
◉Afforestation, i.e. by planting trees.
◉Control and proper management over grazing.
◉Control on mining activities.
◉To plan for proper discharge of industrial effluents.
◉Proper management of waste lands.
◉Stabilisation of dunes by growing thorny bushes.
Q.14) 1. Mostly, the arid soil is red and brown in colour and sandy in texture. ... The soils contain a considerable amount of soluble salts. Due to dry climate and absence of vegetation, it also contains a very low percentage of organic matter.
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