Explanation:

Alluvial soil is also known as riverine soil because it is mainly found in the river basin. Alluvial soil are very fertile. They contain potash, phosphoric acid and lime which are ideal for the growth of sugarcane, paddy, wheat and other cereal and pulse crops. Soils in lalathe drier areas are more alkaline and can be productive after proper treatment and irrigation. These soils contribute the largest share of our agricultural wealth and covering about 40% of the total land of the country.