Soil fertility management for sustainable agriculture / 
editor, P. C. Bandyopadhyay 
 - New Delhi :  Gene-Tech Books ,  2007 
 - 284 p. :  ill. ;  22 cm. 
<br/><br/><label>ISBN: </label>8189729705 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil fertility<br/>Soil management<br/>Agricultural ecology