Tarafdar, J. C. Tripathi, K. P. Kumar, Mahesh <br/><br/>
Organic Agriculture 
J. C. Tarafdar et...al. 
 - Jodhpur, India  Indian Society of Soil science  2009  Scientific publishers 
 - viii, 369p.Illus.(coloured)  includes bibliographic references. 
<br/><br/><label>ISBN: </label>9788172335052