Soil fertility and land productivity :  a guide for extension workers in the eastern Africa region / 
edited by Charles K.K. Gachene, Gathiru Kimaru. 
 - Nairobi :  Regional Land Management Unit,  2003. 
 - xiv, 146 p. :  ill. (some col.) ;  25 cm. 
 - Technical handbook ;  no. 30 .
 - RELMA technical handbook series ;  no. 30. .
<br/><br/>Includes bibliographical references (p. 141-145). 
<br/><br/><label>ISBN: </label>996689666X 
<br/><br/><label>LCCN: </label>2005326765 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil fertility--Africa, Eastern.<br/>Soil productivity--Africa, Eastern.
<br/><br/><label>LC Class. No.: </label>S599.5.A1  / S63 2003