Quinquennial average yield per acre of principal crops in India 

 -  1937-38 to 1946-47 .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture Industry
<br/><br/><label>Dewey Class. No.: </label>X9(J):2s2.N47,N52, J0,J6/GD