Nutrition of Florida Citrus Trees, 3rd Edition is an update of UF/IFAS Bulletin SP169, which has provided guidelines for Florida citrus fertilization since 1995. The goal is to provide background information and recommendations to develop a sound citrus nutrition program. Specifically, one that optimizes financial returns while sustaining yields and maintaining soil and water quality.

Much of the information provided in this third edition on nutrients, application methods, leaf and soil sampling, and irrigation scheduling is also effective for huanglongbing (HLB) affected citrus trees caused by Candidatus Liberibacter asiaticus (CLas). Changes to production practices have come about due to more recent research on HLB since it appeared in Florida in 2005. These include nutrient rates, irrigation scheduling, soil pH management, and use of Citrus Undercover Protective Screens (CUPS). On the PDF version, changes to the 2nd edition of SL253 will appear in colored boxes. Those occur at the beginning of chapters 2, 6, 8, 9, and 11.

Supplemental information on subjects related to citrus nutrition appear in extensive appendices. Color plates depicting nutrient deficiencies and toxicities and a key to mineral deficiency symptoms in citrus aid in the visual analysis of tree nutritional status.

A copy of Nutrition of Florida Citrus Trees, 3rd Edition can be accessed by clicking on this link. The topic page for this book features links to the individual chapters available on EDIS. Kelly T. Morgan, Ph.D., and Davie M. Kadyampakeni, Ph.D., in the UF/IFAS Soil and Water Sciences Department edited the third edition.

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