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  • Subject: Soils--Zinc content
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  • Electronic Theses & Dissertations
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  • The effects of copper applied to organic soil alone and in association with manganese and zinc, on composition of crops and reactions in the soil

    Lucas, Robert E. (Robert Elmer), 1916-
    Text (1947)
    Part of Electronic Theses & Dissertations
    In Copyright
  • Zinc availability from soil applied zinc sulfate and zinc EDTA

    Judy, W. H. (William H.,)
    Text (1967)
    Part of Electronic Theses & Dissertations
    In Copyright
  • Zinc levels in soils as related to zinc uptake and yield of Phaseolus vulgaris

    Melton, James Ray
    Text (1968)
    Part of Electronic Theses & Dissertations
    In Copyright
  • Evaluation of zinc status of several Ecuadorian soils

    Torres, Fernando Pacifico
    Text (1974)
    Part of Electronic Theses & Dissertations
    In Copyright
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