Chernozem RSG diagnostic (WRB 2022)

Tests whether a profile satisfies the Chernozem RSG criteria: a mollic horizon plus secondary carbonates somewhere in the profile, plus chroma (moist) <= 2 in at least one layer of the upper 20 cm.

Usage

chernozem(pedon, max_chroma_upper = 2)

Arguments

pedon

A PedonRecord.

max_chroma_upper

Maximum moist chroma in the upper part (default 2, per WRB 2022).

Value

A DiagnosticResult.

References

IUSS Working Group WRB (2022), Chapter 5, Chernozems.