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प्रश्न
Name the various methods of conserving soil.
उत्तर
The various methods of conserving soil are :
Contour tilling, terrace farming, strip cropping, contour bunding, afforestation, crop rotation, fallowing and controlled grazing.
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संबंधित प्रश्न
Sketch the cross section of soil and label the various layers.
Distinguish between the following pair
Soil erosion and soil conservation
Give geographical reason:
Soil is a very important resource.
Form pairs or groups of three or four students and discuss, with examples, how we depend directly and indirectly on soil.
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.
How can a farmer convert acidic soil to neutral soil?
Locate the following zones given as boxed items in Figure 9.1 which shows a diagram of the soil profile.
Topsoil, Subsoil, C-horizon, Bedrock
Rajasthan is a desert state in India. Once while travelling to Rajasthan by train, Boojho observed several streams and rivulets of rainwater 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.
Match the animals in Column I with their natural place of dwelling (habitat) in Column II.
| Column I | Column II | ||
| (a) | Earthworm | (i) | Sand and beaches |
| (b) | Garden lizard | (ii) | Burrows in soil |
| (c) | Crab | (iii) | Deep, narrow holes in dry soils |
| (d) | Rodents | (iv) | Surface of soil |
| (e) | Scorpion | (v) | The surface of shaded moist soils |
| (f) | Snails and slugs | (vi) | A horizon of moist soils |
