Kohnke, Helmut <br/><br/>
Soil conservation / 
Helmut Kohnke and Anson R. Bertrand 
 - India :  Biotech Books ,  2009 
 - v, 298 p. :  ill. ;  22cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9788176222013 8176222011 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil conservation<br/>Soil erosion