Rehm, George W.,   1941- <br/><br/>
Impact of "ACA" on crop yield in the North Central region / 
edite d by George W. Rehm 
 - St. Paul, Minnesota :  University of Minnesota.Minnesota Agricultu al Experiment Station,  1999 
 - 9 p. :  ill. ;  28 cm. 
 - North Central Regional Research Report ;   343 .
<br/><br/> Minnesota Agricultual Experiment Station Bulletin ;  Produced by North Central Region's NCR-103 committee 
<br/><br/>Includes bibliographical references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crop yields<br/>Fertilizers .
<br/><br/><label>Dewey Class. No.: </label>631.8