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  1. Fertilizers, soil analysis and plant nutrition /
    By: Hoagland, D. R. (Dennis Robert), - California Agricultural Experiment Station.
    Publication info: Berkeley :College of Agriculture, University of California,1949.
    Holding Institution: University of California, Davis Libraries (archive.org)
    View Book
  2. Fertilizers, soil analysis and plant nutrition /
    By: Hoagland, D. R. (Dennis Robert),
    Publication info: Berkeley, Calif. :University of California, College of Agriculture, Agricultural Experiment Station,1947.
    Holding Institution: University of California, Davis Libraries (archive.org)
    View Book
  3. Lectures on the inorganic nutrition of plants, by D. R. Hoagland.
    By: Hoagland, D. R. (Dennis Robert),
    Publication info: Waltham, Mass.,Chronica botanica company,1944.
    Holding Institution: MBLWHOI Library
    View Book