Skip to contents

Monfreda crop data

crop_monfreda.Rd

Monfreda global crop data (area, yield) for 175 crops.

Data may be freely used for research, study, or teaching, but must be cited appropriately (see below). Re-release of the data, or incorporation of the data into a commercial product, is allowed only with explicit permission.

Usage

monfredaCrops()
crop_monfreda(crop="", var="area_ha", path, ...)

Arguments

crop

character. Crop name(s). See monfredaCrops for valid names

var

character. The variable(s) of interest. Choose from "area_ha" (crop area in ha per cell), "area_f" (crop area as a fraction of each cell), "area_q" (quality of the crop area data), "yield" (crop yield in Mg/ha), "yield_q" (quality of the yield data), "prod" (production per grid cell in Mg), or "all"

path

character. Path for storing the downloaded data. See geodata_path

...

additional arguments passed to download.file

Value

SpatRaster

References

Monfreda, C., N. Ramankutty, and J. A. Foley (2008), Farming the planet: 2. Geographic distribution of crop areas, yields, physiological types, and net primary production in the year 2000, Global Biogeochem. Cycles, 22, GB1022, doi:10.1029/2007GB002947.

See also

http://www.earthstat.org/harvested-area-yield-175-crops/

Examples

# \donttest{
# download may take > 5s
mcas <- crop_monfreda("cassava", path=tempdir())
#> download failed
mcas
#> NULL
names(mcas)
#> NULL
# }