\docType{data}
\name{Wheat_GPC}
\alias{Wheat_GPC}
\title{Grain Protein Contents in Wheat Grains}
\format{a \code{RangedData} instance, 1 row per plot.}
\source{
  Barbottin et al. 2008
}
\description{
  This dataset contains data for 43 plots. The column GPC
  corresponds to measured data, GPC.model1 and GPC.model2
  correspond to the results obtained by two models. The
  other columns contain other information for each plot
  (technical practices) : number, tillage, max_water,
  preceding_crop, sow_date, Nendwinter, Nfertilizer, SPAD,
  NNI, Yield.
}
\keyword{datasets}

