Blueberries, raspberries and strawberries. R.L. Mahler, D.L. Barney. (2000) Univ. of Idaho Extension, Northern Idaho Fertilizer Guide, CIS 815.
Caneberries. J. Hart, B. Strik, H. Rempel. (2006) Oregon State Univ. Extension Service, Nutrient Management Guide EM 8903-E.
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