In the case of recent eolian sands (dunes), whose profiles are classified as Entisols and have a surface horizon rich in organic matter, dark brown in colour and of massive structure, followed by other horizons of different texture. The sequence can be described as C1 / 2C2 / 3C3 etc ?. That is, without "A" horizon ?. According to the definition of "horizon A", it should not sby lucasmoretti - Soil Taxonomy Forum
Dear Kenneth, Thank you for your reply. Very clear explanation. Best regardsby lucasmoretti - Soil Taxonomy Forum
Dear colleagues, when is mandatory to use the "n" suffix?. Of course that values of PSI>15 meq/100g is requiered for natric condition (Btn), but lower values (i.e. PSI=2 meq/100 g) also implies the use of "n" suffix? Thank youby lucasmoretti - Soil Taxonomy Forum