The effects of variation in rate and time of application of nitrogen on wheat on trashy and clean fallowed soil
By: by Carroll Herbert Ramage.
Published: 1953
Language: eng
Number of pages: 71
Subjects: Nitrification.; Mulching.; Agriculture -- Research.; Wheat.
Notes: Typescript.

Mounted photographs.

Thesis (M.S.)--Oregon State College, 1953.

Bibliography: leaves 67-71.