The predominant soil type found in Tamil Nadu is black soil. Black soil is a type of soil that is rich in organic matter and minerals. It is dark in color and has a high water-holding capacity. Black soil is ideal for growing crops such as cotton, rice, and sugarcane.
Alluvial soil is a type of soil that is formed from the deposition of sediments by rivers and streams. It is a fertile soil that is good for growing a variety of crops.
Red soil is a type of soil that is formed from the weathering of igneous rocks. It is a poor soil that is not suitable for growing crops.
Laterite soil is a type of soil that is formed from the weathering of limestone. It is a poor soil that is not suitable for growing crops.
Black soil is the predominant soil type found in Tamil Nadu because it is the most fertile soil type in the state. It is also the most suitable soil type for growing crops such as cotton, rice, and sugarcane.