Morgan, Kelly T., Davie M. Kadyampakeni, Mongi Zekri, Arnold W. Schumann, Tripti Vashisth, and Thomas A. Obreza. (2019) 2019. “2019–2020 Florida Citrus Production Guide: Nutrition Management for Citrus Trees: CMG13/CG091, Rev. 3/2019”. EDIS 2019 (August). Gainesville, FL:9. https://doi.org/10.32473/edis-cg091-2019.