Zero-till furrow opener geometry effects on wheat emergence and seed zone properties
By: by Sylvio Julien Tessier.
Published: 1988
Language: eng
Number of pages: 210
Subjects: No-tillage.; Wheat -- Planting.
Notes: Typescript.

Thesis (Ph. D.)--Washington State University, 1988.

Bibliography: leaves 155-163.

WSU:Another copy on microfilm, no. 6753.

WSU:"Program in Engineering Science."