The movement of phosphorus, potassium and calcium in a Douglas Fir forest ecosystem.
Published: 1967
Place of publication: [Washington]
Language: eng
Number of pages: 142
Subjects: Douglas fir; Forest soils
Notes: Thesis - University of Washington.

Bibliography: leaves [103]-123.

Microfilm of typescript. Ann Arbor, Mich., University Microfilms, 1968. 1 reel. (Doctoral dissertation series: Publication 3875)