Ahlgren, Gilbert H.  1913- <br/><br/>
Practical field crop production for the Northeast;  an elementary introduction to agronomy, 
by Gilbert H. Ahlgren [and others] Van Wie Ingham, editor. 
 - New Brunswick,  Rutgers Univ. Press,  1947. 
 - x, 437 p.  illus., port., maps.  24 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>LCCN: </label>agr48000049  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Field crops--United States.
<br/><br/><label>LC Class. No.: </label>SB192.U5  / A6 
<br/><br/><label>Dewey Class. No.: </label>633