The predominant soil type in Goa, suitable for certain crops, is:

Laterite soil
Alluvial soil
Black soil
Red soil

The predominant soil type in Goa is laterite soil. Laterite soil is a type of soil that is rich in iron and aluminum oxides. It is formed in tropical and subtropical regions with high rainfall and high temperatures. Laterite soil is not very fertile, but it is well-drained and can be used to grow a variety of crops, including rice, sugarcane, and coffee.

Alluvial soil is a type of soil that is formed from the deposition of sediments by rivers. It is a very fertile soil that is suitable for growing a variety of crops, including rice, wheat, and corn.

Black soil is a type of soil that is rich in organic matter. It is formed in semi-arid and sub-humid regions with moderate rainfall. Black soil is very fertile and is suitable for growing a variety of crops, including cotton, soybeans, and peanuts.

Red soil is a type of soil that is rich in iron oxides. It is formed in tropical and subtropical regions with high rainfall and high temperatures. Red soil is not very fertile, but it is well-drained and can be used to grow a variety of crops, including rice, sugarcane, and coffee.

In conclusion, the predominant soil type in Goa is laterite soil. Laterite soil is a type of soil that is rich in iron and aluminum oxides. It is formed in tropical and subtropical regions with high rainfall and high temperatures. Laterite soil is not very fertile, but it is well-drained and can be used to grow a variety of crops, including rice, sugarcane, and coffee.