Agricultural yearbook: new vistas in crop yields. 

 - New Delhi :  ICAR ,  1972 
 - 710p. :   ill ;  24 c m.  
 -  1970 .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural economics<br/>Field crops<br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>630  / ICAR