Question

hoe is alluvial soil is formed?

Answer 1

Alluvial Soils are basically stream -deposited sediments:

• Most widely found in the entire northern plains .
• These have been deposited by three important Himalayan river systems – the Indus, the Ganga and the Brahmaputra.
• The alluvial soil consists of various proportions of sand, silt and clay.
• It can be classified as old alluvial (Bangar) and new alluvial (Khadar).
• The bangar soil has higher concentration of kanker nodules than the Khadar. It has more fine particles and is more fertile than the bangar.
• Mostly these soils contain adequate proportion of potash, phosphoric acid and lime