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प्रश्न
Why it is necessary of Soil conservation ?
उत्तर
Soil is our most precious resource. It is important to our national economy as productive Soil ensures prosperity in agriculture, industrial development and general economic development.
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संबंधित प्रश्न
With reference to black soil answer the following:
Give one chemical property of this soil.
Giver a geographical reason for the each of the following:
Black soil does not get leached.
Give the geographical reason for different regions in India having different kinds of soil.
Terrace farming is an ideal soil conservation method for hilly regions.
How is Alluvial soil formed? Why is this soil agriculturally important?
Define ‘Leaching’? In which region South of the Tropic of Cancer, can one find Soil formed by ‘Leaching’?
Why is the Red Soil red in colour?
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 one of the following is responsible for sheet erosion?
Availability of water and minerals in the soil for maximum absorption by roots is in the