A new two-page fact sheet has been published by the Horticultural Sciences Department and the UF/IFAS Citrus Research and Education Center about citrus nutrition management practices. It was written by J.D. Burrow, T. Vashisth, M. Zekri, S.H. Futch, and A. Schumann.
http://edis.ifas.ufl.edu/hs1292