Effect of Some Nutrients and Rhizobium on the Nodulation of Cowpea Vigna unguiculata (L) Walp in Some Nigerian Soils. Torunana J. M. A1 & Augustine A. M1,; email:webicloud4krist@gmail.com
Abstract: This study was conducted using soils from nine selected locations (Agege, Amassoma, Bakolori, Nsukka, Onne, Olupano, the polytechnic Ibadan, University of Ibadan and Zaria) […]