Effects of conservation tillage on groundwater quality :  nitrates and pesticides / 
edited by Terry J. Logan ... [et al.]. 
 - Chelsea, Mich. :  Lewis Publishers,  c1987. 
 - xviii, 292 p. :  ill., ports. ;  24 cm. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>9781315892528 (hbk.) 
<br/><br/><label>LCCN: </label>87003716  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conservation tillage<br/>Groundwater<br/>Nitrates<br/>Pesticides
<br/><br/><label>LC Class. No.: </label>S604  / .E35 1987 
<br/><br/><label>Dewey Class. No.: </label>631.51  / LOG