40 



IOWA DEPARTMENT OF AGRICULTURE. 



RYE— 1880, 1885, 1890. 

 Statistics Compiled from Reports of Secretary of Iowa Agricultural Society. 



RYE— 1896-1907. 



Statistics compiled from Reports of Crop Service Division of Iowa State 

 Department of Agriculture. 



HAY— 1880, 1885, 1890. 

 Statistics Compiled from Reports of Secretary of Iowa Agricultural Society. 



*No authentic data obtainable. 



