Effects of potato cropping practices on nitrate leaching in the Columbia basin
By: by Jeffrey P. McMorran.
Published: 1994
Language: eng
Number of pages: 163
Subjects: Nitrates -- Environmental aspects -- Columbia River Watershed.; Potatoes -- Fertilizers -- Environmental aspects -- Columbia River Watershed.; Potatoes -- Irrigation -- Environmental aspects -- Columbia River Watershed.
Notes: Typescript (photocopy)

Thesis (Ph.D.)--Oregon State University, 1995.

Includes bibliographical references.