Lawal, O.I. (2008). Response of white yam to different levels of fertilizers in two soil-types in Southwestern Nigeria. A Ph.D. thesis in the Department of Agronomy, University of Ibadan, Nigeria. 210p.
Lawal, O.I and Ezenwa I. 1999. Use of Auxin to promote rooting sprouting and early growth of Entorolobium cyclocarpum cuttings. MSc. thesis in the Department of Agronomy, University of Ibadan, Nigeria. 87p.
Lawal, O.I and Ezenwa I. 1997. Comparative yield analysis of some selected short-day onion ( Allium cepa L.) cultivars. B.Sc. dissertation 1997, Department of Agronomy, University of Ibadan, Nigeria. 71p.
Babatola, L. A.. D.O. Ojo and O.I. Lawal (2008). Influence of storage conditions on quality and shelf life of stored peas. In: M. Ozaslan et al., eds. Journal of Biological Sciences. Asian Network for Scientific Information 8 (2): 446-450.
Babatola, L. A.. D.O. Ojo and O.I. Lawal (2008). Effects of storage conditions on Tomato (Lycopasicon esculentus Mill.) quality and shelf life. In: M. Ozaslan et al., eds. Journal of Biological Sciences. Asian Network for Scientific Information 8 (2): 446-450.
Olaniyan, A. A., O. I. Lawal and R. B. Ibe (2007). Growth of Citrus rootstocks as influenced by variety and population density. In: J.A. Fagbayide et al. eds. Journal of the Horticultural Society of Nigeria,2007. Pp. 71-76.
Babatola, L. A.. D.O. Ojo, S. O. Ojeniyi and O.I. Lawal (2002). Comparative efficiency of some storage structures on local leaf vegetables. In: J. A. Fagbayide et al. eds. Journal of the Horticultural Society of Nigeria,2002. Pp. 25-27.
