## Farming Example   --- Robust Soyster model

set crops := wheat corn sugar_beets;     # set of crops
set wheat_corn := wheat corn;    # subset of set of crops for cattle
set properties := 
  yield Dyield plant_cost sell_price  sell_price_low min_req;
set sell_prices := sell_price  sell_price_low;  # for sugar beets


param farm_data: wheat corn sugar_beets :=
yield         	2.5    	3   	20           # tones per acre
Dyield		0.5	0.6	0
plant_cost      150     230   260            # $ per acre
sell_price      170     150   36             # $/ton  (36 under 6000tons)
sell_price_low    0       0   10             # $/ton  (10 over 6000tons)
min_req         200     240    0;            # tons  (no beets)

param total_land := 500;         # acres

param lowerbound :=
wheat   200   # tons
corn    240;  # tons

param upperSB := 
sell_price 	6000 
sell_price_low 	infinity;  # tons