Deep soil nitrogen survey, Lower Umatilla Basin, Oregon
By: by Zachary Augustus del Nero.
Published: 1994
Language: eng
Number of pages: 105
Subjects: Soils -- Nitrogen content -- Environmental aspects -- Oregon -- Umatilla River Watershed.; Nitrates -- Environmental aspects -- Oregon -- Umatilla River Watershed.; Groundwater -- Pollution -- Oregon -- Umatilla River Watershed.
Notes: Typescript (photocopy)

Thesis (M.S.)--Oregon State University, 1995.

Includes bibliographical references (leaves 41-44).