20 
BULLETII^ &43, U. S. DEPARTMEITT OE AGRICULTURE. 
In the winter-wheat area the farms having costs from $30 to $35 
per acre were predominant, though the variation in size of groups was 
much less marked than that shown by the spring-wheat farms. The 
i 
Fig. 4. — Variation in net cost per acre, spring wheat, 1919. 
importance of these various groups is brought out clearly in Table IX. 
where the cumulative per cent of acreage harvested and cumulative 
per cent of production are presented. 
I 
Fig. 5.— Variation in net cost per acre, winter wheat, 1919. 
In the spring-wheat areas 68 per cent of the farms visited produced 
wheat at costs of less than $25 per acre. These f arm.s had 75 per cent 
of the acreage and 72 pep cent of total production. 
