Effect of ridging method on clod and potato yields and on soil quantity in 0.91m ridges, 1980 /
Sharp, M. J.(Agricultural engineer),author.
MacIntyre, D.(Duncan),-2015,author.
Scottish Institute of Agricultural Engineering.
"Not for publication."--on the cover leaf.
Title from cover.
Report dated May 1981.
Includes bibliographical references (pages 6-7).
Potatoes