What are the Types of Alluvial Soil?

By BYJU'S Exam Prep

Updated on: November 9th, 2023

Two different types of alluvial soils namely Khadar and Bhangar have evolved in the upper and middle Ganga plains. Khadar, a brand-new alluvium that floods leave behind every year and enriches the soil with fine silts, is deposited by floods. Bhangar is a system of older alluvium that was deposited far from the flood plains.

Types of Alluvial Soil

Surface water deposits are known as alluvial soils. They can be found by rivers, in alluvial fans, stream terraces, floodplains, and deltas. Alluvial soil is available in the Terai region valleys and the mid-hills valleys around Pokhara and Kathmandu. Both Khadar and Bhangar soils contain calcareous concretions (Kankars).

New alluvial soil with a higher silt and sand content than clay is deposited in floodplains along river courses. A larger portion of the Terai is covered in alluvial soil, which is found in the high terrain above the floodplain. Depending on how long it was cultivated, the new alluvial soil has a fair to moderate amount of nutrients.

  • Alluvial soils that are older have little nutrient content.
  • Alluvial soil is the most productive when compared to other types of soil.
  • It is primarily discovered as stone weather near rivers and streams.
  • The valley lies between the Mahabharat hills and Siwalik, which widen at places to form flat fertile valleys known as Dun valleys.


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. The term alluvium refers to loose clay, silt, sand, or gravel that has been deposited by flowing water in a stream bed, on a floodplain, in an alluvial fan or beach, or in environments that are similar.

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