This investigation was undertaken to determine qualitatively the complement of diatom species in six different soils in the vicinity of Iowa City, Iowa. Separating diatoms from the various soils and cleaning them presented a problem requiring the trial of several existing techniques.
Proceedings of the Iowa Academy of Science
©1956 Iowa Academy of Science, Inc.
Hayek, John M. W. and Hulbary, Robert L.
"A Survey of Soil Diatoms,"
Proceedings of the Iowa Academy of Science, 63(1), 327-338.
Available at: https://scholarworks.uni.edu/pias/vol63/iss1/30