Thompson, Louis M.  <br/><br/>
Soils and soil fertility /    
Louis M. Thompson and Frederick R. Troeh. 
 - 4th ed. 
 - New Delhi :  Tata Mcgraw-Hill Publishing,  c 1978. 
 - ix, 516 p. :  ill. ;  23 cm. 
<br/><br/> Includes Index. 
<br/><br/>340  340 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil fertility. <br/>Soil science.
<br/><br/><label>Dewey Class. No.: </label>631.4 / T375s