Kastanozem RSG diagnostic (WRB 2022)

Tests whether a profile satisfies the Kastanozem RSG criteria: a mollic horizon plus secondary carbonates plus NOT-Chernozem colour (chroma (moist) > 2 in the upper 20 cm).

Usage

kastanozem(pedon, max_chroma_upper = 2)

Arguments

pedon

A PedonRecord.

max_chroma_upper

Maximum moist chroma to qualify as Chernozem (default 2). Kastanozem requires the upper-20-cm chroma to EXCEED this value.

Value

A DiagnosticResult.

References

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