SNYMAN, H. A. . A Case Study on in situ Rooting Profiles and Water-Use Efficiency of Cactus Pears, Opuntia ficus-indica and O. robusta. Journal of the Professional Association for Cactus Development, [S. l.], v. 7, p. 1–21, 2006. DOI: 10.56890/jpacd.v7i.284. Disponível em: https://jpacd.org/jpacd/article/view/284. Acesso em: 24 oct. 2025.