Troeh, Frederick R <br/><br/>
Soils and soil fertility. (5th ed.) 

 - 5th ed. 
 - New York:  Oxford University Press  1993 
 - vi, 462 p. : ill. 
<br/><br/><label>ISBN: </label>0195083288 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOIL FERTILITY--ZAMBIA<br/>SOILS<br/>SOIL MANAGEMENT--ZAMBIA
<br/><br/><label>LC Class. No.: </label>S 591 Tro