The influence of calcium magnesium and potassium nitrates upon the toxicity

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The influence of calcium, magnesium and potassium nitrates upon the toxicity of certain heavy metals toward fungus spores. This book, The influence of calcium magnesium and potassium nitrates upon the toxicity , by Lon Adrian Hawkins, is a replication of a book originally published before 1913. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible.