/ 9/3 19/F 19/5 i FAT 2 IHG FAO 1920 (921 
FO 
FD 
E30 
rere 
AVEPAG j ie. 
FALL DO/SKED 
NO7 FALL D/ISAED ------ 
| Fic. 10.—Annual and average acre yields, in bushels, of winter wheat in varying numbers of years at Moro, 
; Oreg., Nephi, Utah, and Lind, Wash., when grown after summer fallow for which the ground had been 
plowed i in early spring with the stubble disked or not disked in the previous fall. 
WHEAT PRODUCTION ON DRY LANDS. 13 | 
