Research Article
Effects of Time of Application of Crude Oil to Soil on the Growth of Maize (Zea mays L.)
Faculty of Agriculture, Delta State University, Asaba Campus. Delta State, Nigeria
P.G. Eruotor
Faculty of Agriculture, Delta State University, Asaba Campus. Delta State, Nigeria
S.O. Akparobi
Faculty of Agriculture, Delta State University, Asaba Campus. Delta State, Nigeria