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Name the Factors Responsible for the Formation of Soil. - Geography

Answer in Brief

Name the factors responsible for the formation of Soil.

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  1. Climate: The climate in which Soil develops is the most important factor. It is responsible for the following:
    (a) Weathering: Extremes of temperature, freezing and thawing of ice break down rocks and favour Soil formation.
    (b) Vegetation: The growth and decay of vegetation determines the humus content of the Soil. Roots of plants penetrate the Soil and make it porous.
    (c) Bio-chemical processes taking place in Soil: Bacteria and fungi cause the decay of plants and animal remains. Some transform the atmospheric nitrogen into Soil nitrogen.
  2. The Parent rock: The physical and chemical composition of the parent rock determines the relative proportion of different minerals in the Soil layers.
  3. The Topography: The slope of the land surface is an important factor in the formation of Soil layer.
    (a) Hills and slopes: Steep slopes usually have a thin Soil layer because weathered particles are easily carried downslope by running water and wind.
    (b) Plains and Valleys: On flat plains and in valleys, thick fertile Soils are developed.
Concept: Distribution, Composition and Characteristics of Soil (Clour, Texture, Minerals,Crops Associated)
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ICSE ICSE Class 10 Geography
Chapter 4 Soils in India
Long Questions | Q 1
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