Mineral fertilizer use and the environment :  international fertil izer industry association, United Nations Environment Programme. 

 - Paris :  IFA Publications,  1998. 
 - 51 p. ;  30 cm. 
<br/><br/>Includes bibliographical references (p.47-50) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Minerals.<br/>Fertilizers.