6 
BULLETIN 1188, IT. S. DEPARTMENT OF AGRICULTURE. 
have usually been followed by years of high production, resulting in 
low prices for those years, and conversely years of low prices have 
been followed by years of low production. (See fig. 4.) For the 25 
years shown in this chart there were only seven exceptions to this 
rule. 
The acre value of the crop does not vary as widely as the produc- 
tion or the bushel price. This is to be expected, since yield is usually 
PRODUCTION 
THOUSANDS 
OF BUSHELS 
435000 
348000 
174000 
87000 
If 1 
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.1 w 
. lip 
1 » 
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il ]V _ , . _ s 
HI- .«- — V 
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AND Pf 
I TREND 
AND 
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h __L^a\ v s 
nil 
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ACREAGE 
THOUSANDS 
OF ACRES 
6460 
5168 
S CO 0> 
d in N 
T W - 
11 
t 10 (D fl</)<^\ 
