Research Article
Agronomic Efficiency of Cowpea Varieties (Vigna unguiculata L. Walp) under Varying Phosphorus Rates in Lafia, Nasarawa State, Nigeria
I.M. Haruna and A. Usman
Karikari, B., E. Arkorful and S. Addy, 2015. Growth, nodulation and yield response of cowpea to phosphorus fertilizer application in Ghana. J. Agron., 14: 234-240. CrossRefDirect Link |