influence of concentration and ratio of nitrogen and phosphorus in the rooting medium upon nitrogen and phosphorus in the leaves of the Anjou pear tree
By: by Vernon Norman Smith.
Published: 1960
Language: eng
Number of pages: 78
Subjects: Pear.; Nitrogen.; Phosphorus.
Notes: Typescript.

Thesis (M.S.)--Oregon State College, 1960.

Bibliography: leaves 58-62.