EMHU, F. N.; AGBOOLA, A. A. Effect of Intercropping Sweet Potato (Ipomea Batatas) With Pigeonpea (Cajanus Cajan) and Okra (Hibiscus Esculentus) on Economic Yield of Maize (Zea Mays) and Maximization of Land Use. Indian J Agri Sci 2013, 69 (3).