Fertility management for oil olives. (2006) First Press 1(3):1-2.
Fertilizing olive trees. P. Vossen, University of California Cooperative Extension.
The role of macro-nutrients in olive tree flowering and fruit set. U. Yermiyahu, R. Erel, A. Ben-Gal. A, Schwartz, A. Dag. (2009) Proceedings of the International Plant Nutrition Colloquium XVI, UC Davis.
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