calculates a multiple cropping factor based on area harvested, physical cropland area (and optionally fallow land). This function is an outdated version of calcMulticropping that is kept for Legacy reasons only for calcCropareaFAOLUH
Arguments
- extend_future
if TRUE
- factortype
CI: cropping intensity factor calculated as ratio of harvested to physical area where values above one indicate multicropping, below one fallow land (default) MC: multiple cropping factor indicating areas that are harvested more than once in one year calculated taking fallow land into account explicitly: harvestedArea / (physicalArea - fallowLand)