Symposium on cropping systems research and development for the Asian rice farmer  
/ The International Rice Research Institute  
 - Philippines:   The International Rice Research Institute,   1977 
 - 454p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture 
<br/><br/><label>Subjects--Index Terms: </label>Crops  Breeding  
<br/><br/><label>Universal Decimal Class. No.: </label>631.5.001.5/.6(5)   / L7