Effect of density, proportion, and spatial arrangement on the competition of winter wheat and Italian ryegrass (Lolium multiflorum Lam)
By: by Abul Hashem.
Published: 1991
Language: eng
Number of pages: 230
Subjects: Winter wheat.; Lolium.; Plant competition.
Notes: Typescript (photocopy)

Thesis (Ph.D.)--Oregon State University, 1992.

Includes bibliographical references (leaves 212-219)