The comparative agricultural value of insoluble mineral phosphates of aluminum, iron, and calcium
By: by Jacobus Stephanus Marais.
Published: 1922
Place of publication: [Baltimore
Language: eng
Number of pages: 409
Subjects: Phosphates
Notes: "References": p. 396-400.
Thesis (Ph. D.)--University of Illinois, 1921.
"Reprinted from Soil science, vol. xiii, no. 5, May, 1922."
Descriptive letterpress on versos facing plates.
Vita.