Effects of tillage systems on nitrate-nitrogen accumulation and soil structure
By: by Abdulkadir Avcin.
Published: 1988
Language: eng
Number of pages: 67
Subjects: Tillage.; Soils -- Nitrogen content.; Soil structure.
Notes: Typescript (photocopy).

Thesis (M.S.)--Oregon State University, 1989.

Includes bibliographical references.