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प्रश्न
Sketch the cross section of soil and label the various layers.
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उत्तर
Soil profile
संबंधित प्रश्न
Explain how soil is formed.
Distinguish between the following pair
Soil erosion and soil conservation
What are the components of topsoil?
Name the various methods of conserving soil.
Distinguish between contour tilling and contour bunding.
Form pairs or groups of three or four students and discuss, with examples, how we depend directly and indirectly on soil.
The photograph shows a framing method that helps in controlling soil erosion.
- What is this farming method called
- Mention any two other methods that help in controlling soil erosion.
A man digging a pit found that he could dig with ease initially but digging became difficult as he went deeper. He could not dig beyond a depth of 5 feet. Provide a suitable scientific explanation.
Rajasthan is a desert state in India. Once while travelling to Rajasthan by train, Boojho observed several streams and rivulets of rain water during the journey but to his surprise, he did not see streams of water in the desert region even during rains. Help Boojho find a suitable explanation for this.
Gardeners gently dig up the soil around the roots of garden herbs (plants) frequently. Give reasons.
