Inorganic nitrogen status in the soil under no-tilled winter wheat
By: by Edwin Bronson Knapp.
Published: 1979
Language: eng
Number of pages: 61
Subjects: Soils -- Nitrogen content -- Washington (State).; Tillage.; Wheat.
Notes: "Department of Agronomy and Soils."

Thesis (M.S.)--Washington State University.

Bibliography: leaves 58-61.