Geography • Physical GeographyHard
In pedology, which soil order is typically characterized by high concentrations of iron and aluminum oxides, intense weathering, and reddish or yellowish coloration found in tropical regions?
A. Spodosols
B. Oxisols✓ Correct Answer
C. Gelisols
D. Vertisols
💡 Solution & Explanation
Oxisols are heavily weathered tropical and subtropical soils characterized by high concentrations of iron and aluminum oxides, which impart a distinct reddish or yellowish color due to residual accumulation. Unlike nutrient-rich Vertisols or cold-climate Gelisols, Oxisols possess low natural fertility because of intense leaching caused by heavy rainfall. These soils are extensively distributed in equatorial regions such as the Amazon and Congo basins.
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