% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/diagnostics-horizons-wrb-v033.R
\name{irragric}
\alias{irragric}
\title{Irragric horizon (WRB 2022): topsoil thickened by irrigation deposits.
v0.3.3: thickness >= 20 cm + sediment-derived structure proxied via
designation \code{Apk|Apg|Au}.}
\usage{
irragric(pedon, min_thickness = 20)
}
\arguments{
\item{pedon}{A \code{\link{PedonRecord}}.}

\item{min_thickness}{Numeric threshold or option (see Details).}
}
\value{
A \code{\link{DiagnosticResult}} recording whether the diagnostic is present, the qualifying layers, and the supporting evidence.
}
\description{
Irragric horizon (WRB 2022): topsoil thickened by irrigation deposits.
v0.3.3: thickness >= 20 cm + sediment-derived structure proxied via
designation \code{Apk|Apg|Au}.
}
