Corn Investigations 
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Yield of grain per acre — bushels 
1903 1 1904 11905 1 1906 I 1907 | 1908 | 1909 | 1910 1 1911 I 1912 | 1913 | 1914 I 1915 | 1916 
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The average yields for the four families Nos. 403, 425, 459, and 4182 for all years were respectively 55.87, 57.86, 58.96, and 56.65 bushels 
per acre, while the corresponding yields of the individual ear-to-row plats selected for continuation each year were 60.48, 67.27, 66.16, and 62.44. 
This is an average difference of 6.7 bushels in favor of the selected plats. 
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91.5 
Average . . . 
95.0 
Average . . . 
95.0 
Average . . . 
100.8 
Strain 
No. 
403 
425 
459 
4182 
