Soil and winter barley responses to zero and conventional traffic systems after ploughing or direct drilling on a sandy clay loam, 1983-1984 /
Dickson, J. W.,B.Sc.,author.
Campbell, D. J.(Duncan Joan),author.
Scottish Institute of Agricultural Engineering.
"Not for publication."--on the title page.
"Scottish Institute of Agricultural Engineering."--at the head of the cover.
Report dated August 1985.
Includes bibliographical references (pages 21-22).
Barley
Sandy soils
Agricultural machinery.