Creator: Hopkins, Cyril G. 1866-1919. - Cornell University Library Digital Collections Search Results

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1. Laboratory manual for soil fertility

Creator:: Hopkins, Cyril G. 1866-1919.
Collection:: Core Historical Literature of Agriculture
Publisher:: s.n.,
Publication Place:: [Urbana, Ill. :
Date:: 1905
Format:: Book

2. Soil fertility and permanent agriculture

Creator:: Hopkins, Cyril G. 1866-1919.
Collection:: Core Historical Literature of Agriculture
Publisher:: Ginn and Company,
Publication Place:: New York :
Date:: 1910
Format:: Book

3. The story of the soil, from the basis of absolute science and real life

Creator:: Hopkins, Cyril G. 1866-1919.
Collection:: Core Historical Literature of Agriculture
Publisher:: R. G. Badger,
Publication Place:: Boston :
Date:: 1913
Format:: Book