Answer the following questions in about 30 words.

What type of soil is found in the river deltas of the eastern coast? Give three main features of this type of soil.

The soil found in the river deltas of the eastern coast is alluvial soil. The main characteristics of the soil are as follows: -

1. These soils have an adequate proportion of potash, phosphoric acid and lime. This makes the soil ideal for the growth of sugarcane, paddy, wheat and other cereal and pulse crops.

2. Alluvial soil has high fertility. Due to this characteristic, there in intense cultivation and thus, the areas with these soils are densely populated.

3. Drier areas have more alkaline content in the soil. It can be made productive after proper treatment.