Donahue, Roy L <br/><br/>
Our soil and their management:   An introduction to soil and water conservation  

 - 2nd  
 - Bombay:   Asia Publishing House,   1961 
 - 568p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture 
<br/><br/><label>Subjects--Index Terms: </label>Irrigation  Crop production  
<br/><br/><label>Universal Decimal Class. No.: </label>631.4  / K1