Efficiency in the use of phosphorus by cowpea genotypes. Bioscience Journal, Uberlândia, MG, v. 35, n. 4, p. 1043–1050, 2019. DOI: 10.14393/BJ-v35n4a2019-39507. Disponível em: https://seer.ufu.br/index.php/biosciencejournal/article/view/39507. Acesso em: 3 jan. 2026.