Terry J. Logan <br/><br/>
Effects of conservation tillage on groundwater quality : Nitrates and pesticides 

 - michigan  Lewis Publishers Inc  1987 
 - 292p 
<br/><br/>Terry J. Logan; James M. Davidson; James L. Baker & Michael R. Overcash: Effects of conservation tillage on groundwater quality : Nitrates and pesticides.  michigan.  Lewis Publishers Inc, 1987. 0-87371-080-0--(551.49LOG)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>0-87371-080-0 
<br/><br/><label>Dewey Class. No.: </label>551.49  / L O G