SIngh A K <br/><br/>
Environmental soil Science    soil Science  

 - M Sc (Agri) 
 - New Delhi   CBS Publishers   2009 
 - 323  28 Cms  
<br/><br/><label>ISBN: </label>8788181892799 
<br/><br/><label>Dewey Class. No.: </label>631.4  / SIN