As nouns the difference between subsoil and solonetz
is that subsoil is the layer of earth that is below the topsoil while solonetz is a type of soil with a so-called "natric horizon" within the upper metre of the soil profile and a subsoil with higher clay content than the upper horizon, the latter having more than 15% exchangeable sodium.
solonetz
English
Noun
(
es)
(
wikipedia solonetz)
(FAO soil classification) A type of soil with a so-called "natric horizon" within the upper metre of the soil profile and a subsoil with higher clay content than the upper horizon, the latter having more than 15% exchangeable sodium.
Usage notes
Solonetz corresponds to sodium-rich aridisols and mollisols in US soil taxonomy.
Derived terms
* solonetzic
See also
* gleysol
* solonchak
* kastanozem