B horizon
Noun
Meaning
immediately below the A-horizon; contains deposits of organic matter leached from surface soils
Source: WordNetAlternative names
B-horizon
Synonyms
Examples
Tend to form in the B-horizon in high sodium soil where clay has accumulated.
Tend to form in the B-horizon where clay has accumulated and indicate poor water penetration.
Soil is said to be formed when organic matter has accumulated and colloids are washed downward, leaving deposits of clay, humus, iron oxide, carbonate, and gypsum, producing a distinct layer called the B horizon.