342 Cardoon Europe Seed 2,600.00 3,900.00 1,300.00 Calculated value The article mentioned that the lower yield values were reported by Curt et al. (2002) and Fernandez et al. (2005) with average values of different Mediterranean not irrigated sites of 1.3 t/ha (converted to 1300 kg/ha) of grain yield. The maximum grain yield of 3.9 t/ha was recorded in the hilly site (on average of the 3-years experiment). 1,718