D.K. Prabhuraj <br/><br/>
Effect of phosphorus, sulphur and zinc on yield and composition of sunflower (Helianthus annuus L.) 

 - M.Sc (Agri) 
 - Bangalore  University of Agricultural Sciences, Bangalore  1988 
 - 114p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>630  / PRA