LC CutterNumber :
.O53,P58
Title :
Planned change in farming systems
Author Statement :
edited by Robert Tripp
Publication :
J. Wiley ; Exeter, UK : Co-publication with Sayce Pub.
Collation :
x, 348 p. ill., maps 25 cm.
Subject :
Agriculture- Research- On-farm,Agricultural systems- Research
ADDED ENTRIES :
Tripp, Robert
SubTitle :
progress in on-farm research
Biblography :
Includes bibliographical references and index
