Troeh, Frederick R. <br/><br/>
Soils and soil fertility 
by Frederick R. Troeh and Louis M. Thompson 
 - 5th ed. 
 - New York  Oxford University Press  1993 
 - vi, 462p. 
<br/><br/><label>ISBN: </label>0-19-508328-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil fertility
<br/><br/><label>Dewey Class. No.: </label>631.42  / TRO/S