Farmer participation in on-farm varietal trials.
- London : ODI , 1988
- 30p. : ill. ; 15 cm.
- Agricultural administration network paper No. 22 .
Includes bibliographical references and index.
High-yielding varities
GB ODI AAU AADP-22
Includes bibliographical references and index.
High-yielding varities
GB ODI AAU AADP-22