Nitrogen available to winter wheat as influenced by previous crop in a moist xeric environment
By: by Maqsood Hassan Qureshi.
Published: 1999
Language: eng
Number of pages: 260
Subjects: Winter wheat -- Fertilizers -- Oregon -- Willamette River Valley.; Nitrogen fertilizers -- Oregon -- Willamette River Valley.; Soils -- Nitrogen content -- Oregon -- Willamette River Valley.
Notes: Typescript (photocopy).

Thesis (Ph. D.)--Oregon State University, 1999.

Includes bibliographical references.