Kannaiyan, S. Kumar. K. Govindarajan, K. <br/><br/>
Biofertilizers technology 
S. Kannaiyan et..al. 
 - Jodhpur, India  Scientific publishers (India)  2004 
 - xviii, 450p. Illus.,  Includes bibliography 
<br/><br/><label>ISBN: </label>9788172336554