The major soil types found in Bihar are:

The major soil types found in Bihar are: Alluvial, Black, Red.

• Alluvial soil is the most common type of soil in Bihar. It is a rich, fertile soil that is deposited by rivers. Alluvial soil is ideal for growing crops such as rice, wheat, and sugarcane.
• Black soil is a type of soil that is rich in organic matter. It is a dark, chocolate-colored soil that is found in the Deccan Plateau of India. Black soil is ideal for growing crops such as cotton, soybean, and tobacco.
• Red soil is a type of soil that is rich in iron oxide. It is a reddish-brown soil that is found in the drier parts of India. Red soil is ideal for growing crops such as millet, sorghum, and pulses.

Sandy, Laterite, Mountain, Loamy, Silty, and Peaty are not major soil types found in Bihar.