Soil Atlas
F — Subhydric horizon
F
Horizon master symbol
Subhydric horizon
Horizon formed from gyttja/mudde under water cover, in subhydric soils (e.g. protopedon, gyttja).
KA3
KA4
KA5
KA6
KA3–KA5
7
KA6
5
Symbols in DB
9
Related suffixes
-
o
oxidized, rust-mottled in the groundwater fluctuation zone
e.g. Go
KA3 KA4 KA5 KA6 -
r
reduced, permanently water-saturated with pale gray reduction colors
e.g. Gr
KA3 KA4 KA5 KA6