Day, J. Wentworth <br/><br/>
Harvest adventure  J. Wentworth Day. 

 - London  George G. Harrap  1946 
 - 345p.: ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture Crop yeilds Agricultural productivity.
<br/><br/><label>Dewey Class. No.: </label>63  / D27H