TANDON HLS <br/><br/>
METHODS OF ANALYSIS OF SOILS PLANTS WATERS FERTILIZERS & ORGANIC MANURES 

 - 4 . Ed. 
 - New Delhi  FERTILIZER DEVELOPMENT  2008 
 - 203p. 
 - BHARATI MADHYVARTI SAHKARI GRAHAK BHANDR, PUNE, B-1748 .