CROP Variety Improvement and its Effect on Productivity: the impact of international agricultural research / 

 - Oxon  CABI Pub.  2003 
 - xxv, 522 p. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9780851995497 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Field crops-Breeding<br/>Field crops- genetics<br/>Agricultural productivity
<br/><br/><label>Dewey Class. No.: </label>631.52  / CRO