Minerals
Found in 3 Collections and/or Records:
Full Minerals After Nitrate, Rothamsted, 1870s-1930s
Photograph of a plot of grasses with full minerals after nitrate at Rothamsted, [England] in the early/mid 20th century.
Full Minerals and Ammonium Salts, Rothamsted, 1870s-1930s
Photograph of a plot of land in a small box that was tested with full minerals and ammonium salts at Rothamsted in England in the early 20th century.
Full Minerals and Nitrate of Soda, Rothamsted, 1870s-1930s
Photograph of a plot of land in a small box that was tested with full minerals and nitrate of soda at Rothamsted in England in the early 20th century.