The effect of soil mixture and soil cover on residual activity of herbicides measured by seedling emergence of Poa annua, L
By: by Richard Allen Schwabauer.
Published: 1964
Language: eng
Number of pages: 76
Subjects: Herbicides.; Weeds -- Control.; Bluegrasses.
Notes: Typescript.

Thesis (M.S.)--Oregon State University, 1964.

Bibliography: leaves 48-51.