64 Nebraska Experiment Station Research Bui. 15 
another. This is in part explained by the fact that effective 
changes in weather during the crop season often affect areas 
as large or even larger than the State. 
The last column in the following group of tables usually 
expresses the yield per acre in terms of percentage. Wher- 
ever this is done, the yield per acre on the Cass type of farm 
is used as a base, or 100 per cent. These percentage figures 
picture the normal standing of one area relative to another 
only in so far as yields in 1909 had the same percentage vari- 
ation from normal. 
Table 5. — Corn per farm in 1909. 
Type area 
Acres 
per 
farm 
Bushels 
per 
acre 
Bushels 
per 
farm 
Iudex to 
yields, 
Cass — 
100% 
Northwest to North Central 
High Plains - 
11.3 
15.9 
180 
58 
Western Sand Hills 
23.4 
15.6 
364 
57 
Eastern Sand Hills 
35.9 
22.8 
818 
83 
Boyd 
50.6 
24.0 
1,215 
87 
Southwest to Northeast 
Chase 
64.5 
12.7 
819 
46 
Buffalo 
61.0 
22.6 
1,378 
82 
Custer 
68.8 
25.4 
1,748 
92 
Wayne 
68.0 
36.8 
2,500 
133 
Southwest to Southeast 
Hitchcock 
48.7 
9.6 
468 
35 
Harlan 
66.4 
12.3 
816 
45 
Thayer 
59.3 
18.2 
1,079 
66 
Cass 
59.8 
27.6 
1,652 
100 
