Floret fertility and seed yield in selected perennial ryegrass cultivars as affected by time and rate of nitrogen (N) application
By: by Ali Salih Gangi.
Published: 1984
Language: eng
Number of pages: 59
Subjects: Grasses -- Seeds -- Development.; Nitrogen fertilizers.; Lolium perenne.
Notes: Typescript (photocopy).

Thesis (Ph. D.)--Oregon State University, 1984.

Bibliography: leaves 55-59.