Analysis of forces acting on mouldboard ploughs and seed drill coulters
Subtitle: in relation to speed, depth, and soil conditions : static and dynamic studies
By: by Girma Gebresenbet.
Publisher: Swedish University of Agricultural Sciences, Dept. of Agricultural Engineering
Published: 1991
Place of publication: Uppsala, Sweden
Language: eng
Subjects: Plows.; Drill (Agricultural implement); Soil mechanics.
Notes: Thesis statement inserted.

Thesis (doctoral)--Swedish University of Agricultural Sciences, 1991.

Includes bibliographical references.