Increased availability of nitrogen and phosphorus in the root zone of conifers.
Published: 1968
Place of publication: [Ithaca, N.Y.]
Language: eng
Number of pages: 42
Subjects: Coniferae; Soils -- Nitrogen content; Soils -- Phosphorus content
Notes: Thesis - Cornell University.

Bibliography: leaves 37-39.

Microfilm. Ann Arbor, Mich., University Microfilms, 1969. 1 reel.