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reads croparea out of a MAgPIE gdx file. Croparea excludes fallow land.

Usage

croparea(
  gdx,
  file = NULL,
  level = "reg",
  products = "kcr",
  product_aggr = TRUE,
  water_aggr = TRUE,
  physical = TRUE
)

Arguments

gdx

GDX file

file

a file name the output should be written to using write.magpie

level

Level of regional aggregation; "reg" (regional), "glo" (global), "regglo" (regional and global) or any other aggregation level defined in gdxAggregate

products

Selection of products (either by naming products, e.g. "tece", or naming a set,e.g."kcr")

product_aggr

aggregate over products or not (boolean)

water_aggr

aggregate irrigated and non-irriagted production or not (boolean).

physical

if TRUE (default) physical (cultivated) area is returned; if FALSE harvested area, i.e. physical area scaled by the multicropping ratio.

Value

production as MAgPIE object (unit depends on attributes)

See also

Author

Jan Philipp Dietrich, Florian Humpenoeder

Examples

if (FALSE) { # \dontrun{
x <- croparea(gdx)
} # }