Foliar fertilizers are now being sprayed on citrus trees at considerably higher rates than before citrus greening disease. Inspiration for the mixture of foliar nutrients was drawn from a local citrus grower, Maury Boyd. Mr. Boyd was the first to try a strategy of not removing greening positive citrus trees, and instead attempt aggressive nutritional sprays. His grove was as a result the first to remain economical with a high percentage rate of greening disease infection. His spray program is under considerable research by the University of Florida’s IFAS department. Further research is still needed, and being carried out to determine which specific fertilizer compounds, and the quantities used are the most efficient. Soil applied fertilizers appear to hold promise as well. In two year studies carried out by the University of Florida’s IFAS department a combination of sulfur, zinc, manganese, iron and boron applied three times a year to the base of the tree are promising. The third year of research should be available in 2019.