What is another word for B-horizon?
Pronunciation: [bˈiːhəɹˈa͡ɪzən] (IPA) 
The B-horizon is a geological term used to describe layers of soil underlying the topsoil. It is commonly known as the subsoil, and it is rich in minerals such as clay, iron, and organic matter. Some synonyms that can be used to replace the term B-horizon include the subsoil layer, parent material, and mineral soil. Other words that can be used include subsoil profile, regolith, and the zone of accumulation. Regardless of the term used, the B-horizon is an essential layer in soil formation and plays a vital role in the growth and development of plants and crops.
