NORMAN, A. G. <br/><br/>
Advances in agronomy 
NORMAN, A. G. 
 - New york  Academic press  1949 
 - 440 pages  PREPARED UNDER THE AUSPICES OF THE AMERICAN SOCIETY OF AGRONOMY 
<br/><br/><br/>In English 
<br/><br/><label>Subjects--Topical Terms: </label><br/>AGRICULTURE
<br/><br/><label>Dewey Class. No.: </label>OG10,65  1949