Advancements with controlled-release fertilizers for Florida citrus production: 1996 -2006. T.A. Obreza, R. Rouse, E.A. Hanlon. (2006) UF IFAS Extension, SL-243.
Calcium nitrate pays off on citrus. B. Easterwood. (2003) Fluid Journal, Fall 2003.
Citrus fertilizer management on calcareous soils. T.A. Obreza, A.K. Alva, D.V. Calvert. (2009) UF IFAS Extension, CIR 1127.
Citrus growers can reduce nitrate ground water pollution and increase profits by using foliar urea fertilization. C.J. Lovatt, J.G. Morse. (1991) FREP.
Citrus nutrition. (2002) NSW Agriculture Agfact, H2.3.11.
Fertigation nutrient sources and application considerations for citrus. B. Boman, T. Obreza. (2008) UF IFAS Extension, CIR 1410.
(A) guide to citrus nutritional deficiency and toxicity identification. S.H. Futch, D.P.H. Tucker. (2008) UF IFAS Extension, HS-797.
Importance of potassium in a Florida citrus nutrition program. T.A. Obreza. (2003) Better Crop 87(1):19-22.
Improving citrus nitrogen uptake efficiency: understanding citrus nitrogen requirements. K.T. Morgan, E.A. Hanlon. (2006) UF IFAS Extension, SL-240.
Irrigation, nutrition, and citrus fruit quality. M. Zekri, T.A. Obreza, R. Koo. (2009) UF IFAS Extension, SL-207.
Nitrogen and phosphorus fertilizer requirements for young, bearing microsprinkler-irrigated citrus--2005 report. T.L. Thompson, S.A. White, A. Kusakabe.
Nitrogen management in citrus under low volume irrigation. M.L. Arpaia, L.J. Lund. (2003) FREP.
What about foliar NPK on citrus. L.G. Albrigo, J.P. Syversten. (2001) Fluid Journal, Summer 2001.
CPSC = California Plant and Soil Conference
FFTC ASPAC = Food & Fertilizer Technology Center for the Asian and Pacific Region
FREP = Fertilizer Research and Education Program completed project
UC ANR = University of California Agriculture and Natural Resources
UF IFAS = University of Florida Institute of Food and Agricultural Sciences
WNMC = Western Nutrient Management Conference
WTFRC = Washington Tree Fruit Research Commission