First report of the scientific department :  crop season, 1947-194 8. 

 - London :  H.M Stationeary Office,  1949. 
 - 55 p. :  ill. ;  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural research.
<br/><br/><label>Dewey Class. No.: </label>P 630.72 O83