Punjab, Directorate of Economic and Statistics, Ludhiana India Singh,Lal <br/><br/>
Crop Weather Studies Bulletin No.I, Ludhiana District(Punjab)  Crop - Wheat / Punjab 

 - Ludhiana  Government of Punjab  1970 
 - 32p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture<br/>Production Crop - Wheat - Ludhiana