Ahmed, Osumanu Haruna, <br/><br/>
Towards efficient utilization of nitrogen based fertilizers / 
Ahmed Osumanu Haruna, Nik Muhamad Abd Majid. 
 - 123 pages :  charts, illustrations ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9789673444076  RM34.20 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nitrogen fertilizers.<br/>Nitrogen fertilizers--Environmental aspects.