Zúñiga-Tarango, R.; Orona-Castillo, I.; Vázquez-Vázquez, C.; Murillo- Amador, B.; Salazar-Sosa, E.; López-Martínez, J. D.; García-Hernández, J. L.; Rueda-Puente, E. Root Growth, Yield and Mineral Concentration of Opuntia Ficus-Indica (L.) Mill. Under Different Fertilization Treatments. J PROF ASSOC CACTUS 2009, 11, 53-68.