Question

Hiiii
Friends
Please help me to find answer

describe alluvial soil under following heads :
a) formation
b) distribution
c) classification
d) nutrients

Answer 1

Alluvial soil is found in theentire northern plains It is the most widely spread soil of India.

Main features of alluvial soil

(a) It is formed by the deposition of materials brought down by the Himalayan rivers.

(b) It is highly fertile.

(c) It consists of various proportions of sand, silt and clay.

(d) It is rich in potash, phosphoric acid and lime but deficient in organic matter.

e) It supports a large variety of crops like paddyand sugarcane.

Answer 2

Alluvial soil can be described as follows
(a) Formation of Alluvial soil is made-up of silt, sand, and clay. It is deposited by three important Himalayan river-systems the Indus, the Ganga and the Brahmaputra. It is bigger and coarser in the upper reaches of the river and becomes finer as the river flows down.
(b) Distribution/Area This ‘soil is prevalent in the river valleys of the Northern Plains (Indus, Ganga, Brahmaputra), strips in Gujarat and Rajasthan, as well as in the Eastern coastal plains in the deltas of rivers of the Peninsular plateau (Mahanadi, Krishna, Kaveri).
 Classification According to their age, alluvial soils can be classified as (Bangar) old alluvial and Khadar (new alluvial). Khadar has a higher concentration of kankar and contains more fine particles than Bangar.
(d) Nutrients/Minerals This soil is rich in nutrients like potash, phosphoric acid, and lime, which is suitable for growing paddy, wheat, sugarcane and other cereal and pulse crops.