Nitrate and pesticide transport under pear production in clay and sandy soil
By: by Weidong Cao.
Published: 1994
Language: eng
Number of pages: 108
Subjects: Pesticides -- Environmental aspects.; Nitrates -- Environmental aspects.; Groundwater -- Pollution.; Soil permeability.
Notes: Typescript (photocopy)

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

Includes bibliographical references (leaves 104-108)