Farmer participation in on-farm varietal trials. 

 - London :  ODI ,  1988 
 - 30p. :  ill. ;  15 cm. 
 - Agricultural administration network paper  No. 22 .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>High-yielding varities
<br/><br/><label>Gov. Doc. Class. No.: </label>GB ODI AAU AADP-22