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  1. By: Francois, L. E. - Maas, E. V. (Eugene Vernon),
    Publication info: [Springfield, VA :National Technical Information Service],1985.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Effect of boron on  Effect of salt on  Indexes  Plants  
  2. By: Morse, W. J. (Warner Jackson),
    Publication info: Orono :Maine Agricultural Experiment Station,1920.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Borax  Effect of boron on  Maine  Plants