Nimbalkar S A <br/><br/>
Investigations on the Comparative Efficacy of Various Modern Insecticides including the Systematics in the Control of Bollworms on Cotton 

 -  College of Agri, Nagpur 
 - pp 112;  30*23 
<br/><br/><label>Dewey Class. No.: </label>K86:(J)/N66/B11944