effect of various cropping and fertility practices on the structure and cation exchange status of Palouse silty clay loam ...
Published: 1942
Language: eng
Number of pages: 72
Subjects: Soils -- Washington (State); Fertilizers.; Manures.
Notes: Typewritten.

Plates mounted.

Thesis (M.S. in Agriculture)--State College of Washington, 1942.

Bibliography: leaves 55-63.