What are the types of alluvial soil?

By Ritesh|Updated : September 1st, 2022

Two different types of alluvial soils have evolved in the upper and middle Ganga plains - Khadar and Bhangar. Every year, floods deposit khadar, a new kind of alluvium that improves the soil by adding fine silts. A system of older alluvium deposited far from the flood plains is represented by Bhangar. The soils in Khadar and Bhangar both have calcareous concretions (Kankars).

Types of Alluvial Soil

  • Alluvial soil is available in the Terai region valleys and the mid-hills valleys around Pokhara and Kathmandu.
  • The valley lies between the Mahabharat hills and Siwalik, which widen at places to form flat fertile valleys known as Dun valleys.
  • In floodplains along river courses, new alluvial soil with higher silt and sand than clay is deposited.
  • Alluvial soil is found in the high areas above the floodplain, covering a larger part of the Terai.
  • The new alluvial soil nutrient content is fair to moderate based on how long it was cultivated.
  • The nutrient content in old alluvial soils is low. Compared to other soils, alluvial soil is the most productive.
  • It is primarily found around rivers carried by streams as stone weather.


What are the types of alluvial soil?

Two distinct alluvial soil types have developed in the upper and middle Ganga plains. They are Khadar and Bhangar.


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