Kohnke,  Helmut. <br/><br/>
Soil conservation / 
[by] Helmut Kohnke [and] Anson R. Bertrand. 
 - Delhi:  Biotech Books,  2009 
 - vi, 298 p. :  ill.   22 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>8176222011;9788176222013 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Soil conservation.
<br/><br/><label>Universal Decimal Class. No.: </label>333.7316