(Vigna radiata) mixtures. Higher DM yield for mixed cropping over sole cropping has also been reported by Mishra et al. (1997) for mix-ture of sorghum–cowpea, Jayanthi et al. (1994) for maize–cowpea, Lauriault and Kirksey (2004) for barley–pea and oat–pea, Ayub et al. (2008) for barley–pea mixtures and Ayub and Shoaib (2009) for sorghum–cluster bean. Craufurd (2000) also reported that the increase in seeding rate of the cereal in the mixture increased the cereal yield and total yield of mixture. Ibrahim et al. (2006) and Ayub et al. (2004) also reported the highest mixed forage yield sown at 75:25 seeding ratio for maize–cowpea and sorghum ricebean (Vigna umbellata) mixtures, respectively, over sole crops.