CABALLERO-MELLADO , J. . Potential use of the bacteria Azospirillum in association with prickly pear cactus. Journal of the Professional Association for Cactus Development, [S. l.], p. 14–21, 1990. DOI: 10.56890/jpacd.vi.389. Disponível em: https://www.jpacd.org/jpacd/article/view/389. Acesso em: 16 oct. 2025.