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Showing 1 to 1 of 1 for “"Plants -- Effect of zinc on"”.

  1. Zinc in potato production

    Urano, Charles Y., author, Foskett, Richard L., advisorColorado State University. Libraries1966

    Zinc deficiencies have been reported from the states of Washington, Idaho, North Dakota and Texas. The deficiencies are reported to be localized in areas where the parent material of soil is low in zinc content or where the topsoil has been removed by landleveling or lost through erosion. There is …

    colostate Repository record