Troch, Frederick R.. <br/><br/>
Soil and water conservation for productivity and environmental protection /  
Frederick R. Troch, J. Arthur Hobbs and Roy L. Donahue. 
 - New Jersey :   Prentice Hall ,   1980. 
 - xv,718p. :   ill.,figs,tables ;   23cm .  
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<br/><br/><label>ISBN: </label>0138221553  Rs. 395.00 
<br/><br/><label>Subjects--Index Terms: </label>SOIL CONSERVATION 
<br/><br/><label>Dewey Class. No.: </label>631.45  / TRO/S