T. Giridharakrishna <br/><br/>
Studies on Chemistry of phosphorus in vertisols 

 - Ph.D 
 - Dharwad  University of Agricultural Sciences, Dharwad  1993 
 - 294p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>630  / GIR