Discussion :: Agriculture and Soil
- The Red soils develop a reddish colour due to ________
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A.
Deforestation and over-grazing |
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B.
The presence of potash and magnesia |
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C.
Tropical monsoonal climate |
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D.
A wide diffusion of iron in ancient crystalline and metamorphic rocks |
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Answer : Option D
Explanation :
The Red soils develop a reddish colour due to a wide diffusion of iron in ancient crystalline and metamorphic rocks. Red soil is formed by weathering of old crystalline igneous and metamorphic rocks. It is rich in iron and hence appears red in colour. Red soil indicates the presence of oxidized ferric oxides. Ordinarily the surface soils are red while the horizon below gets yellowish colour.
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