Effect of Nitrogen Fertilizer On Growth and Yield of Maize Varieties With Different Maturities in a Dry Agro-Ecology of Northern Ghana.

Roger A. L. Kanton1, Asamoah Larbi2, Samuel Buah3, James M. Kombiok4, Emmanuel Ansoba5, Anabire P Asungre6, S. Lamini5 and P.V. Vara Prasad7, (1)PO Box 46, Savanna Agricultural Research Institute, Bawku, GHANA, (2)INSTI Building, International Insitute of Tropical Agriculture, Accra, GHANA, (3)Savanna Agricultural Research Institute, Wa, Ghana, (4)Savanna Agricultural Research Institute, Tamale, Ghana, (5)Savanna Agricultural Research Institute, Bouke, Ghana, (6)Millet Breeding, Savanna Agricultural Research Institute, Bouke, Ghana, (7)Kansas State University, Manhattan, KS