Evolving the Nigerian agricultural research strategy plan : agro-ecological inputs / edited by N.O. Adedipe ... [et al.]. - Ibadan, Nigeria : National Agricultural Research Project, 1996. - xv, 486 p. : maps ; ISBN: 9783240048 Subjects--Topical Terms: Agriculture--Research--Planning.Agricultural ecology LC Class. No.: S542.N5 / E96 1996