Home
Authors
Hopkins, Cyril G. (Cyril George)

Hopkins, Cyril G. (Cyril George)

3 books

Books by Hopkins, Cyril G. (Cyril George)

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

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

English 209h 1m read

Cover of The Story of the Soil; from the Basis of Absolute Science and Real Life

The Story of the Soil; from the Basis of Absolute Science and Real Life

English 1657h 21m read

Cover of The Farm That Won't Wear Out

The Farm That Won't Wear Out

English 276h 22m read