http://sfp.ucdavis.edu/pubs/brochures/Pricklypear/ http://sfp.ucdavis.edu/pubs/brochures/Pricklypear/ http://sfp.ucdavis.edu/pubs/brochures/Pricklypear/ UC small farm program http://sfp.ucdavis.edu/pubs/brochures/Pricklypear/ http://sfp.ucdavis.edu/pubs/brochures/Pricklypear/ University of California: Prickly Pear Cactus Production http://sfp.ucdavis.edu/pubs/brochures/Pricklypear/