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Contribution No. 1658 from the Botany and Plant Pathology Division, Science Service, Canada Department of Agriculture, Ottawa, Ontario.
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Callbeck, L.C. The effect of zinc as a constituent of potato fungicides. American Potato Journal 35, 626–632 (1958). https://doi.org/10.1007/BF02854993
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DOI: https://doi.org/10.1007/BF02854993