Agricultural management and water quality 
edited by Frank W. Schaller, George W. Bailey 
 - Ames  Iowa State University Press  1983 
 - xviii, 472 p.  ill.  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural pollution--United States<br/>Farm management--United States<br/>Water quality management--United States
<br/><br/><label>Dewey Class. No.: </label>363.7  / 394