Constraints to high yields on Asian rice farms: an interim report. 

 - Manila :  IRRI,  1977 
 - v, 235p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rice--Asia<br/>Yields
<br/><br/><label>Dewey Class. No.: </label>633.18 As  / IRRI-2