Preliminary series of tests using experimental soil riddle /
Palmer, J.(John),(Agricultural engineer),author.
McGechan, M.(Malcolm),author.
National Institute of Agricultural Engineering (Great Britain).Scottish Station.
Unbound.
Report dated June 1974.
"Not for publication."--stamped on cover leaf.
Library copy is a photocopy of the original.
Includes bibliographical references (page 5).
Potatoes