Broccoli. (2004) Oregon State Univ., Commercial Vegetable Production Guides.
Broccoli production in California. M. LeStrange, K.S Mayberry, S.T. Koike, J. Valencia. (1996) UC ANR Publication 7211.
Determination of best nitrogen management practices for broccoli production in the San Joaquin Valley. M. LeStrange, J.P. Mitchell, L.E. Jackson. (1995) FREP.
Nitrogen fertilizer management in Arizona :: broccoli section. T.G. Doerge, R.L. Roth, B.R. Gardner. (1991) University of Arizona.
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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