The influence of calcium, magnesium and potassium nitrates upon the toxicity of certain heavy metals toward fungus spores Hawkins, Lon A. (Lon Adrian), 1880- creator text book Baltimore 1913 1913
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ENG From Physiological researches, vol. 1, no. 2, serial no. 2, August, 1913. "Botanical contribution from the Johns Hopkins university no. 31." Thesis (Ph.D.)--Johns Hopkins university, 1913. Vita. Fungicides Plants, Effect of chemicals on QK751 .H38 https://www.biodiversitylibrary.org/bibliography/27023 13023088 10.5962/bhl.title.27023