Horizonte A chernozemico (SiBCS Cap 2, p 50-51) — horizonte_A

Horizonte mineral superficial relativamente espesso, escuro, com alta saturacao por bases (V \>= 65%), OC \>= 6 g/kg, estrutura desenvolvida e espessura conforme criterio.

Usage

horizonte_A_chernozemico(
  pedon,
  min_oc_g_kg = 6,
  min_v_pct = 65,
  max_value_moist = 3,
  max_chroma_moist = 3,
  max_value_dry = 5,
  min_thickness_cm = 18
)

Arguments

pedon: A PedonRecord.
min_oc_g_kg: Numeric threshold or option (see Details).
min_v_pct: Numeric threshold or option (see Details).
max_value_moist: Numeric threshold or option (see Details).
max_chroma_moist: Numeric threshold or option (see Details).
max_value_dry: Numeric threshold or option (see Details).
min_thickness_cm: Numeric threshold or option (see Details).