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  1. By: Wye College. - Wain, R. L. - Wightman, F.
    Publication info: London, Butterworths Scientific Publications, 1956
    Holding Institution: MBLWHOI Library
    Subjects: Auxin  Growth (Plants)  Plant regulators  
  2. By: Sims, J. L. - United States. Agricultural Research Service.
    Publication info: Washington, D.C.?, USDA, ARS, 1989?
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Growth (Plants)  Phosphatic fertilizers  Plant regulators  Potassium fertilizers  Tobacco  
  3. By: International Conference on Plant Growth Substances Yonkers, N.Y.) - Boyce Thompson Institute for Plant Research.
    Publication info: Ames, Iowa State University Press, [1961]
    Holding Institution: MBLWHOI Library
    Subjects: Congresses  Plant regulators
  4. By: United States. Agricultural Research Service.
    Publication info: [Washington, D.C.], Agricultural Research Service, U.S. Dept. of Agriculture, 1956
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Apples  Foliar application  Pears  Plant regulators  United States