Smith, George E. <br/><br/>
Losses of fertilizers and pesticides from claypan soils / 1974 
by George E. Smith 
 - Washington, D.C. :  United States Environmental Protection Agency,  1974 
 - vii, 75 p. :  ill. ;  29 cm. 
 - Environmental protection technology series  no.EPA-660/2-74-068 .
<br/><br/>Includes bibliographical references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pesticides
<br/><br/><label>Dewey Class. No.: </label>363.738498