JKI drift percentage data for field crops and pome/stone fruit

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+% Generated by roxygen2 (4.1.0.9001): do not edit by hand
+% Please edit documentation in R/drift_data_JKI.R
+\docType{data}
+\name{drift_data_JKI}
+\alias{drift_data_JKI}
+\title{Deposition from spray drift expressed as percent of the applied dose as
+published by the JKI}
+\format{A list currently containing matrices with spray drift percentage
+data for field crops (Ackerbau), and Pome/stone fruit, early and late
+(Obstbau früh, spät).}
+\source{
+JKI (2010) Spreadsheet 'Tabelle der Abdrifteckwerte.xls', retrieved
+from
+http://www.jki.bund.de/no_cache/de/startseite/institute/anwendungstechnik/abdrift-eckwerte.html
+on 2015-06-11
+}
+\description{
+Deposition from spray drift expressed as percent of the applied dose as
+published by the German Julius-Kühn Institute (JKI).
+}
+\details{
+The data were extracted from the spreadsheet cited below using the R code
+given in the example section. The spreadsheet is not included in the package
+as its licence is not clear.
+}
+\examples{
+\dontrun{
+  # This is the code that was used to extract the data
+  library(readxl)
+  abdrift_path <- "../inst/extdata/Tabelle der Abdrifteckwerte.xls"
+  JKI_crops <- c("Ackerbau", "Obstbau früh", "Obstbau spät")
+  names(JKI_crops) <- c("Field crops", "Pome/stone fruit, early", "Pome/stone fruit, late")
+  drift_data_JKI <- list()
+
+  for (n in 1:8) {
+    drift_data_raw <- read_excel(abdrift_path, sheet = n + 1, skip = 2)
+    drift_data <- as.matrix(drift_data_raw[1:9, 2:4])
+    dimnames(drift_data) <- list(distance = as.integer(drift_data_raw[1:9, 1]),
+                                            crop = JKI_crops)
+    drift_data_JKI[[n]] <- drift_data
+  }
+  save(drift_data_JKI, file = "../data/drift_data_JKI.RData")
+}
+}
+\keyword{datasets}
+