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प्रश्न
Availability of water and minerals in the soil for maximum absorption by roots is in the –
विकल्प
B-horizon
C-horizon
A-horizon
surface of soil
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उत्तर
A-horizon
Explanation:
A-horizon is top soil, rich in humus. Humus improves the texture of soil, increases soil aeration and water holding capacity of soil as well as provides nutrients to the growing plants. This soil layer also contains minerals. Humus and minerals make the soil fertile and favour plant growth.
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संबंधित प्रश्न
Give one geographical reason for the following:
Laterite soil is red in colour.
State the geographical term for each of the following processes:
The process by which rainwater, flowing in a definite path, removes the topsoil, thus causing deep cuts to the surface of the land.
Give the geographical reason for black soil being suitable for growth of cotton.
Name the Indian soil which is formed due to the weathering of basic igneous rocks.
Alluvial soils found in the lower courses and the upper courses of rivers.
Point out the region where coastal alluvium is found.
Give information on:
Measures of soil conservation.
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 |
Maharashtra -Types and Overall Distribution of Soil
Observe the map given above and answer the following questions:
- Which soil occupies most of the area in Maharashtra?
- In which areas are laterite soils found?
- Which soil is found in the river valleys of Maharashtra?
- Which soil is found in parts of the Sahyadri ranges?
- In which region is alluvial soil found?
The alluvial soil consists of ______.
