/**
* Sets area to be planted with given crop in given year based on user input
*
* @param year year in question
* @param crop crop in question
* @param kilomsq number square km user wants to plant with that crop
*/
public void updateCropLand(int year, EnumFood crop, double kilomsq) {
double cropLand = 0.;
for (AgriculturalUnit unit : entities) {
unit.updateCropLand(year, crop, kilomsq);
cropLand += unit.getCropLand(year, crop);
}
setCropLand(year, crop, cropLand);
}
