[1]
AKINBILE, O.O., ADIAMO, I.A., ELUMALERO, G.O., OLALEKAN, O.J. and DANIEL, A.I. 2022. Nitrogen fixation and yield of two cowpea varieties under legume-cereal cropping sequence. NIGERIAN JOURNAL OF SCIENCE AND ENVIRONMENT. 19, 2 (Jun. 2022).