Author

Cyril G. (Cyril George) Hopkins

3 titles available
Cover of The Story of the Soil; from the Basis of Absolute Science and Real Life by Cyril G. (Cyril George) Hopkins

The Story of the Soil; from the Basis of Absolute Science and Real Life
Cover of The Farm That Won't Wear Out by Cyril G. (Cyril George) Hopkins

The Farm That Won't Wear Out
Cover of Nitrogen Bacteria and Legumes: With special reference to red clover, cowpeas, soy beans, alfalfa, and sweet clover, on Illinois soils by Cyril G. (Cyril George) Hopkins

Nitrogen Bacteria and Legumes: With special reference to red clover, cowpeas, soy beans, alfalfa, and sweet clover, on Illinois soils

About Cyril G. (Cyril George) Hopkins

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