5. TIL
E Answer the following questions :
1. Which kind of soil is found in desert?
| 2. Why is alluvial soil the most fertile soil?
3. What is clay used for?
4. What all does the gravel lack as a soil?
5. Which crop is the main cultivation of black soil?
PLY
Take clay and
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Answer:
1.
Most desert soils are called Aridisols (dry soil). However, in really dry regions of the Sahara and Australian outback, the soil orders are called Entisols. Entisols are new soils, like sand dunes, which are too dry for any major soil horizon development.
2.
Alluvial soil is the most fertile soil because it has loamy texture and is rich in humus. It has good water absorbing capacity and water retention capacity.
3.
Because of these properties, clay is used for making pottery, both utilitarian and decorative, and construction products, such as bricks, wall and floor tiles. Different types of clay, when used with different minerals and firing conditions, are used to produce earthenware, stoneware, and porcelain.
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