S. Shukla, R. E. Rouse, S. S. Shukla, E. A. Hanlon, K. Portier, and T. A. Obreza, “Citrus BMP Implementation in Florida’s Gulf Citrus Production Area: Nutrients: AE474/AE474, 8/2010”, EDIS, vol. 2011, no. 2, Feb. 2011.