Fertiliser statistics   : 1968-69 
/ The Fertiliser Association of India 
 - New Delhi:   The Fertiliser Association of India,   1969 
 - xvii 695p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Subjects--Index Terms: </label>Nitrogen Nitrogenous  
<br/><br/><label>Universal Decimal Class. No.: </label>631.8:31(540)   / K9