AKINBILE, O. O.; ADIAMO, I. A.; ELUMALERO, G. O.; OLALEKAN, O. J.; DANIEL, A. I. Nitrogen fixation and yield of two cowpea varieties under legume-cereal cropping sequence. NIGERIAN JOURNAL OF SCIENCE AND ENVIRONMENT, [S. l.], v. 19, n. 2, 2022. Disponível em: https://delsunjse.com/index.php/njse/article/view/12. Acesso em: 2 may. 2024.