P P Joy <br/><br/>
Effect of different levels of nitrogen, phosphorus and azolla (Azolla Pinnata R. Br.) ON Azolla-Rice (Oryza sativa L.) Productiv 

 - M Sc (Agri) 
 - Bangalore  University of Agricultural Sciences, Bangalore  1984 
 - 143p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>630  / JOY