The organic matter of the soil
Subtitle: a study of the nitrogen distribution in different soil types ...
By: by Clarence Austin Morrow ...
Publisher: University Printing Co.
Published: 1919
Place of publication: Minneapolis
Language: eng
Number of pages: 79
Subjects: Soils -- Analysis; Nitrogen
Notes: "Literature cited": p. 72-79.
Thesis (PH. D.)--University of Minnesota, 1918.
Biographical.