Blanco–Macías, Fidel, Rafael Magallanes–Quintanar, Rigoberto E. Vázquez–Alvarado, Santiago de J. Méndez–Gallegos, Enrique Troyo–Diéguez, Clemente Gallegos-Vázquez, and Ricardo D. Valdez–Cepeda. “Opuntia ficus–indica (L.) Mill. Yield Depends on Nutrients and Nutrient Ratios”. Journal of the Professional Association for Cactus Development 13 (January 22, 2011): 1–9. Accessed October 24, 2025. https://jpacd.org/jpacd/article/view/84.