Effect of sowing date and nitrogen fertilizer application on the growth, yield and biomass production of two maize varieties under irrigated and rainfed conditions in Northern Region of Ghana

Trawally, D., Webber, H.A., Agyare, W.A., Fosu, M., Naab, J., Gaiser, T. 2014: Effect of sowing date and nitrogen fertilizer application on the growth, yield and biomass production of two maize varieties under irrigated and rainfed conditions in Northern Region of Ghana. International Journal of Biological and Chemical Sciences 9: 1571-1587.