Chemical suppression of a perennial ryegrass (Lolium perenne) living mulch and influence of ground cover management on growth of 'Chardonnay' wine grapes (Vitis vinifera) and Douglas fir Christmas trees (Pseudotsuga menziesii)
By: by Loretta K Brenner.
Published: 1991
Language: eng
Number of pages: 109
Subjects: Plants, Effect of herbicides on.; Mulching.; Grapes.; Douglas fir.; Lolium perenne.
Notes: Typescript (photocopy)

Thesis (M.S.)--Oregon State University, 1991.

Includes bibliographical references (leaves 91-109)