The influence of the native calcium and phosphorus content of the soil upon the presense [i.e. presence] of these elements in the crop produced.
Published: 1925
Language: eng
Number of pages: 45
Subjects: Soils -- Washington (State); Soils -- Analysis.; Plants -- Assimilation.
Notes: Thesis (M.S. in Agriculture)--Washington State University.

Bibliography: leaves 43-45.