CROP REGIONS OF OHIO 



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inches. The greatest precipitation occurs in eastern and south- 

 eastern Ohio, one region being a band covering the Ohio River 

 counties from Brown to Mahoning and another being a center 

 southeast of Lake Erie in Lake, Ashtabula, and Geauga counties. 



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Fio. 10. The average annual precipitation for the different sections of Ohio shown graph- 

 ically by means of shaded areas. The total fluctuation is eight inches. The least rainfall 

 is near the western end of Lake Erie, averaging about 32 inches. There are large areas in 

 the western portion of the state having an annual rainfall of less than 34 inches The heaviest 

 rainfall occurs along the Ohio river, where, in the most heavily shaded part of the diagram 

 the precipitation is more than 40 inches. 



Here the precipitation averages 40 inches. The reader is referred 

 to the charts appearing in the Ohio Agricultural Experiment Sta- 

 tion Bulletin 235, one of v^^hich is here repeated in a modified form. 

 Elevation also shows an influence in the length of the growing 

 season. In southeastern Ohio stations only a few miles apart 

 horizontally, but with a difference in elevation of several hundred 



