R/Wheat_GPC_data.r

In ZeBook: Working with Dynamic Models for Agriculture and Environment

#' @name Wheat_GPC
#' @title Grain Protein Contents in Wheat Grains
#' @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.
#' @docType data
#' @usage Wheat_GPC
#' @format a \code{RangedData} instance, 1 row per plot.
#' @source Barbottin et al. 2008
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