Integrated soil fertility management in Africa : principles, practices, and developmental process /  
edited by Nteranya Sanginga and Paul L. Woomer. 
 - Nairobi :   Tropical Soil Biology and Fertility Institute of the International Centre for Tropical Agriculture,   2009 
 - iv, 263 p. :   ill., maps ;   29 cm. 
<br/><br/> Includes bibliographical references (p. 223-253) and index. 
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<br/><br/><label>ISBN: </label>9789290592617 
<br/><br/><label>Source: </label> 2015-48 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil fertility--Africa. <br/>Soils--Africa
<br/><br/><label>LC Class. No.: </label>S599.5.A1 I56 2009