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प्रश्न
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.
उत्तर
The soil surface has loose topsoil which is easier to dig. At deeper layers, partially weathered rocks or bedrocks are present | which are hard and make digging difficult.
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संबंधित प्रश्न
Explain how soil is formed.
Give geographical reason:
There is a need for soil conservation.
Name the various methods of conserving soil.
What is meant by the terms ‘soil erosion’ and ‘soil conservation’?
Why is soil conservation important? Give three reasons.
The photograph shows a framing method that helps in controlling soil erosion.
- What is this farming method called
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Read the following statements with reference to the soil.
(i) Weathering is a very fast process of soil formation.
(ii) Percolation of water is faster in sandy soils.
(iii) Loamy soil contains only sand and clay.
(iv) Topsoil contains the maximum amount of humus.
Choose the correct statements from the above.
Unscramble the following jumbled word related to soil.
Unscramble the following jumbled word related to soil.
How can a farmer convert acidic soil to neutral soil?