Alluvial soil ppt.pdf

PPT on Alluvial Soil

1. Alluvial Soil

2. Alluvial soilsaresoilsdeposited by surface
water. You’ll find them along rivers, in
floodplains and deltas, stream terraces, and areas
called alluvial fans.
The Alluvial soil consists of various proportions
of sand, silt and clay.
It is formed due to the deposition of fine silt
called alluvium by the rivers.
Alluvial soils are very fertile. Itcontains soil
nutrients such aspotash, phosphoric acid and
lime.

4. The entire northern plains are made of alluvial soil.
These have been deposited by three important Himalayan
river systems –the Indus, the Ganga and the Brahmaputra.
These soils also extend in Rajasthan and Gujarat through a
narrow corridor.
Alluvial soil is also found in the eastern coastal plains
particularly in the deltas of the Mahanadi, the Godavari, the
Krishna and the Kaveririvers.
Sugarcane, paddy, wheat and other cereal and pulse crops
are grown with alluvial soil.

6. Bangar Khadar
Bangar
•It is an old alluvial.
•It has lower concentration
of kankurnodules.
•It has more fine particles.
•It is more fertile.
Alluvial soils are classified into
two types according to their age
as old alluvial (Bangar) and new
alluvial (Khadar).
 Khadar
•It is an new alluvial.
•It has higher concentration
of kankurnodules.
•It has less fine particles.
•It is less fertile.

7. Done by : A Shankhinn