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Illinois Fertilizer Conference Proceedings
January 23-24, 1990

Home 1990 Index Search

Table 1. Grain yields of four Illinois crops in 1964 and 1988 and percent change.
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Grain Yield, Bu/A
Crop 1964 1988 % increase from 1964-88
Corn
80
124
55
Soybeans
25
40
60
Wheat
36
59
64
Oats
51
85
67

 


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