All India index numbers of area, production and yield of principal crops :  1949-50 to 1983-84/ 
Directorate of Economics and Statistics, Ministry of Agriculture and Rural Development, Government of India 
 - New Delhi :  The Author,  1984 
 - iii, 23p.;  29 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crops--India<br/>Crops yields--India