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प्रश्न
How soil is formed?
उत्तर
Soil is formed by the breaking of rocks by the action of wind, water, and climate. The mixture of rock particles and humus is called the soil.
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संबंधित प्रश्न
List the differences between clayey soil and sandy soil.
State the characteristic of each of the soils named below that makes them most suitable for crop cultivation:
Red Soil
Name the process by which Laterite soil is formed. Mention one disadvantage of this soil.
With reference to Red Soils in India, answer the following questions:
Mention two important crops are grown in this soil.
On the map of India, shade and name an area each of:
(a) Alluvial Soil,
(b) Red Soil,
(c) Desert Soil and
(d) Hill Soil or Mountain Soil.
Name the soil which
Covers the summits of the Eastern Ghats.
Give information on importance of soils for plant growth.
Complete the following table with reference to the soil.
Action | Effect | Result (w.r.t. fertility) |
Construction of embankments | ||
Wind speed decreased | ||
Farmland is kept fallow for some period | ||
Humus content increased. | ||
Trenches are dug across a slope | ||
Litter is burnt on the farm. | ||
Proves favorable for micro-organisms | ||
The salt content in the soil increases | ||
Chemical fertilizers used excessively |
Which type of soil develops due to high temperature and evaporation?
Which one of the following is the most widespread and most productive category of soil?