Farid Abdel Aziz El-Sayed Hellal <br/><br/>
Iron management practices for groundnut-maize cropping sequence in calcareous vertisol 

 - Ph.D (Soil Scien) 
 - Dharwad  University of Agricultural Sciences, Dharwad  2004 
 - 216p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>630  / SAY