S. Channakeshava <br/><br/>
Utility of sludge from phosphoric acid industry (BILT) As a P-Source in lowland paddy (Oryza sativa L.)- Cowpea (Vigna unguicula 

 - Ph.D (Agri) 
 - Dharwad  University of Agricultural Sciences Dharwda  2002 
 - 279p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>630  / CHA