The presentation and interpretation of changes in soil bulk density and other mechanical properties below wheel ruts /
Henshall, J. K.(J. Kenneth),author.
Smith, D. L. O.(David Llewllyn Owen),1952-author.
Scottish Institute of Agricultural Engineering
"Scottish Institute of Agricultural Engineering."--on the cover.
"Not for publication."--title page.
Report dated September 1985.
Includes bibliographical references (page 17).
Soil mechanics
Agricultural machinery