Effect of reduced cultivation and direct drilling systems on soil conditions and yield of spring barley at Carberry Mains 1974-75 /
Pidgeon, J. D.(John D.),author.
Robertson, T. P.,author.
Scottish Institute of Agricultural Engineering.
"Not for publication."--stamped on the cover leaf.
Title from cover.
Report dated May 1977.
Library copy is a photocopy of the original.
Includes bibliographical references (page 8).
Barley