The effects of nitrogen rates on phenology and yield components of early maturing maize cultivars DT Gungula AO Togun JG Kling DOI: 10.4314/gjpas.v13i3.16711 Abstract No Abstract.Global Journal of Pure and Applied Sciences Vol. 13 (3) 2007: pp.319-324 PDF Published 2007-08-24 Issue Vol. 13 No. 3 (2007) Section Articles © 2018. This work is licensed under the creative commons Attribution 4.0 International license.