Applicability of the Mitscherlich method to the determination of phosphorus deficiencies of Iowa soils 
By: by Clifford Dale Hoover ...
Contributors: Norman, Arthur Geoffrey, 1905- joint author.
Publisher: Lancaster press, inc.
Published: 1942
Place of publication: [n.p
Language: eng
Number of pages: 340
Subjects: Soils -- Analysis.; Plants, Effect of phosphorus on.; Crop yields.
Notes: "References": p. 340.
Thesis (Ph. D.)--Iowa State College of Agriculture and Mechanic Arts, 1939. Doctoral thesis no. 534.
Cover-title.
"[By] C. Dale Hoover and A.G. Norman."
"Journal paper J-953 of the Iowa Agricultural experiment station, Ames, Iowa. Project 228."
"Reprinted from Soil science, vol. 53, no. 5, May, 1942."