investigation of sulfur as a plant food
By: Geo. A. Olson and J.L. St. John.
Contributors: St. John, James Leonard, 1891-
Series: Bulletin / State College of Washington. Agricultural Experiment Station -- no. 165.; Bulletin (State College of Washington. Agricultural Experiment Station) -- no. 165.
Publisher: State College of Washington, Agricultural Experiment Station
Published: 1921
Place of publication: Pullman, Wash
Language: eng
Number of pages: 69
Subjects: Plants -- Effect of sulphur on; Soils -- Sulfur content; Sulfur fertilizers
Notes: Cover title.

Bibliography: p. 55-69.