International Congress of Soil Science Search this
Physical description:
Gelatin silver prints
Type:
Black-and-white photographs
Summary:
Frederick Charles Gerretsen (1889-1966), botanist and expert in soil microbiology, plant pathology, and plant nutrition, Institute for Soil Fertility, University of Groningen, Sweden. Gerretsen was a delegate to the First International Congress of Soil Science, Washington, D.C., June 1927.
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