Fig. 9. Effect of 11 winter cereal cover crop mulches and two grasses (barnyardgrass and bristly foxtail) on corn grain yield. B_Ath, barley Athinaida; B_The, barley Thessaloniki; R_Alb, rye Albania; R_Ger, rye Germany; R_Gre, rye Greece; T_Thi, triticale Thisvi; T_Nio, triticale Niovi; T_Vro, triticale Vronti; T_Cat, triticale Catria; T_Vri, triticale Vrito; T_Art, triticale Artemis; C, control.