Your SlideShare is downloading. ×
0
soil
soil
soil
soil
soil
soil
soil
soil
soil
soil
soil
soil
soil
soil
soil
Upcoming SlideShare
Loading in...5
×

Thanks for flagging this SlideShare!

Oops! An error has occurred.

×
Saving this for later? Get the SlideShare app to save on your phone or tablet. Read anywhere, anytime – even offline.
Text the download link to your phone
Standard text messaging rates apply

soil

2,333

Published on

Published in: Education, Technology
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total Views
2,333
On Slideshare
0
From Embeds
0
Number of Embeds
0
Actions
Shares
0
Downloads
66
Comments
0
Likes
0
Embeds 0
No embeds

Report content
Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
No notes for slide

Transcript

  • 1.  
  • 2. 10 th B Roll No.-22 Topic-Soil Priyanka Sagar
  • 3. <ul><li>The thin layer of grainy substance covering the surface </li></ul><ul><li>of the earth is called soil. </li></ul><ul><li>2. Soil is the upper layer of the crust and is closely linked to </li></ul><ul><li>the land. </li></ul><ul><li>3. Landform determine the type of soil. </li></ul>Soil
  • 4.  
  • 5. Factors affecting soil formation <ul><li>Climate </li></ul><ul><li>Vegetation </li></ul><ul><li>Age of rock </li></ul><ul><li>Relief and </li></ul><ul><li>Parent rock </li></ul>
  • 6. According to colour,thickness,age,texture,chemical composition and physical properties different types of soils are as follows: <ul><li>According to colour,thickness,age,texture,chemical composition and physical properties different types of soils are as follows : </li></ul>Alluvial soil Red and Yellow soil Laterite soil Black soil Arid soil Forest soil Types of soil
  • 7. Major soil types
  • 8. Alluvial soil <ul><li>The most widely spread and important soil. </li></ul><ul><li>Spreads over northern entire plains. </li></ul><ul><li>Deposited by three river system. </li></ul><ul><li>Can be seen in the deltas of eastern river </li></ul><ul><li>too. </li></ul>
  • 9. According to age to age alluvial soil can be classified in old alluvial (Bangar) and new alluvial (Khadar). New alluvial is more fertile tha old alluvial. Has adequate proportion of potash,phospharic acid and lime. Ideal for sugarcane,paddy,wheat and other cereals and pulse crops. So, the region of alluvial soil is thickly populated and intensively cultivated
  • 10. Alluvial Soil deposited by the rivers
  • 11. <ul><li>The soil is black in colour and it is volcanic in origin. </li></ul><ul><li>Created from igneous rock, and is called ‘ regur soil ’. </li></ul><ul><li>It is ideal for growing cotton and so called black cotton soil . </li></ul><ul><li>Black soil covers part of Maharashtra,Saurashtra,Malwa, </li></ul><ul><li>Madhya Pradesh and Chattisgarh </li></ul>Black soil
  • 12. <ul><li>Black Soil </li></ul>
  • 13. <ul><li>Red and Yellow Soil develops on crystalline igneous rock in the areas of low rainfall in the eastern and southern part of Deccan Plateau </li></ul><ul><li>Also found in parts of Orissa, Chattisgarh,south of middle Ganga Plain and the eastern piedmont zone of western Ghats </li></ul>Red and Yellow soil
  • 14. <ul><li>The red colour is because of the diffusion of iron in the form of iron oxide in the crystalline and metamorphic rock. </li></ul><ul><li>It looks yellow when it is in the hydrate form. </li></ul>
  • 15.  

×