S. Shivamurthappa <br/><br/>
Management of brown planthopper, Nilaparvata lugens (Stal) By cultural practices and insecticides, and investigation on biotypes 

 - Ph.D (Agri) 
 - Bangalore  University  of Agricultural Sciences, Bangalor  1993 
 - 217p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>630  / SHI