Fig. 6. Effect of 11 winter cereal cover crop mulches and three grasses (barnyardgrass, bristly foxtail, and large crabgrass) on sugarbeet yield. B_Ath = Athinaida barley; B_The = Thessaloniki barley; R_Alb = rye Albania; R_Gre = rye Greece, R_Ger = rye Germany; T_Nio = Niovi triticale; T_Thi = Thisvi triticale; T_Vro = Vronti triticale; T_Vri = Vrito triticale, T_Art = Artemis triticale, T_Cat = Catria triticale.