Effects of long-term residue management and nitrogen fertilization on availability and profile distribution of nitrogen, phosphorus, and sulfur
By: by Robert A. Christ.
Published: 1992
Language: eng
Number of pages: 153
Subjects: Crop residues -- Utilization.; Nitrogen fertilizers.; Plants, Effect of nitrogen on.; Plants, Effect of phosphorus on.; Plants, Effect of sulphur on.; Soil fertility.; Green manuring.
Notes: Typescript (photocopy)

Thesis (M.S.)--Oregon State University, 1993.

Includes bibliographical references (leaves 105-111)