TESFAYE, T.; NEBIYU, A. Evaluation of cowpea (Vigna unguiculata (L.) Walp) genotypes for nodulation performance and biological nitrogen fixation in the lowlands of Southern and Southwestern Ethiopia. Journal of Science and Development, [S. l.], v. 9, n. 1, p. 22-32, 2021. Disponível em: https://journals.hu.edu.et/hu-journals/index.php/agvs/article/view/340. Acesso em: 19 sep. 2024.