Morgan, K. T., Kadyampakeni, D. M., Zekri, M., Schumann, A. W., Vashisth, T., & Obreza, T. A. (2019). 2019–2020 Florida Citrus Production Guide: Nutrition Management for Citrus Trees: CMG13/CG091, rev. 3/2019. EDIS, 2019, 9. https://doi.org/10.32473/edis-cg091-2019 (Original work published January 31, 2019)