Research Article
Effects of NPK Single Fertilizers on Relative Growth Performances of Two Cycles of Maize (Zea mays L.) Grown in a Degraded Soil of Southwest Nigeria
Department of Botany, University of Ibadan, Ibadan, Nigeria
S. Ajala
International Institute of Tropical Agriculture, Ibadan, Nigeria
P. C. Nwosu
Department of Botany, University of Ibadan, Ibadan, Nigeria
O. E. Omotayo
Department of Botany, University of Ibadan, Ibadan, Nigeria