% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/utils-fixtures.R
\name{make_chernozem_canonical}
\alias{make_chernozem_canonical}
\title{Build the canonical Chernozem fixture}
\usage{
make_chernozem_canonical()
}
\value{
A \code{\link{PedonRecord}}.
}
\description{
Synthetic Ukrainian / Russian steppe Chernozem on loess: thick dark
Ah, granular structure, secondary carbonates accumulating in the Bk.
By construction:
\itemize{
  \item \code{\link{mollic}}: PASSES on horizon Ah1 (moist value 2,
        chroma 1, dry value 3; SOC 4\%; BS 89\%; thickness 30 cm;
        strong granular structure).
  \item \code{\link{argic}}: FAILS (essentially no clay
        differentiation; ratios all close to 1).
  \item \code{\link{ferralic}}: FAILS (CEC/clay ~ 120 cmol_c/kg
        clay -- high-activity 2:1 clay).
}
}
