Abrol, Y.P.  . <br/><br/>
Agricultural nitrogen use & its environmental implications /  
edited by Y.P. Abrol  et al .... 
 - New Delhi :   I.K. International Publishing House Pvt. Ltd ,   2007 
 - xiii, 552p ;  
<br/><br/><label>ISBN: </label>978-81-89866-33-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental
<br/><br/><label>Dewey Class. No.: </label>J(E150)  / P7