Horizonte A humico (SiBCS Cap 2, p 51-52)

Horizonte A com cor moderadamente escura (value/chroma <= 4), V < 65%, e C organico total >= 60 + 0.1 * argila_media (g/kg). Espessura \>= a do A chernozemico.

Usage

horizonte_A_humico(pedon, min_v_pct_max = 65, min_thickness_cm = 18)

Arguments

pedon

A PedonRecord.

min_v_pct_max

Numeric threshold or option (see Details).

min_thickness_cm

Numeric threshold or option (see Details).