The effect of preplant nitrogen fertilization and soil temperature on biological nitrogen fixation and yield of alfalfa (Medicago sativa L.)
By: by Philip E. Shuler.
Published: 1991
Language: eng
Number of pages: 85
Subjects: Alfalfa.; Plants, Effect of nitrogen on.; Nitrogen -- Fixation.; Soil temperature.
Notes: Typescript (photocopy)

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

Includes bibliographical references (leaves 62-75)