Soil fertility / 
edited by Roland Nuhu Issaka. 
 - Croatia :  IntechOpen  2012. 
 - viii, 242 p. :  ill. (some col.) ;  27 cm.   
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>9789535108733  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizers.<br/>Soil fertility.<br/>Soils.