Research Article Evaluation of Cowpea Genotypes for Maize-based Additive Series Intercropping in the Guinea and SudanSavanna Zones of Ghana J.Yirzagla, F. K. Padi, R. Akromah, M. M. Dawuda April 2013 pp. 1-8
Research Article Contribution of plant spacing and N fertilizer application to growth and Yield of Sesame R.A.L. Kanton, J.Yirzagla, P. A. Asungre, S. Lamini, E. Ansoba Cornelius Kuukaraa Malex Alebkia April 2013 pp. 9-13 PDF