Hughes, Harold D.     <br/><br/>
Crop production:   principles and practices, handbook of information for the student of agriculture / 
Harold D. Hughes and Edwin R. Henson 
 - New York:  The Macmillan Company,  1946.     
 - x, 816p.:  ill., figs., tables, maps;  20 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--Crops cultivation<br/>Agriculture--Field crops--Rotation<br/>Agriculture--Plant diseases
<br/><br/><label>Dewey Class. No.: </label>633  / HUG