Constraints to high yields on asian rice farms   An 

 - Philippines  IRRI         1977 
 - 235p.  cm. 
<br/><br/><label>Standard No.: </label>100969 
<br/><br/><label>Source: </label> Reports 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rice
<br/><br/><label>Dewey Class. No.: </label>"X9(J381).4.N7, L7"