Ground water pollution  pollution from irrigation and fertilization 1977-Sept. 1982; citations from the NTIS Data base 

 - U.S.A.  National technical information service  1982 
 - iii,102p. 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Ground water
<br/><br/><label>Dewey Class. No.: </label>551.49  / N28G