AGRICULTURAL INDUSTRIES 



153 



1200 feet, corn does not mature with regularity. This 

 keeps it largely off the hills of southern N"ew York. 

 In New York, as in other parts of the country, com is 

 the safest tilled crop on overflow lands and the surest 

 of the grains on very rich swamp lands, such as the 



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Fig. 21. Graphs showing by five-year periods the area in 

 corn for grain, all wheat, spring wheat, winter wheat, and 

 oats. 



Clyde series and muck soils. Of the upland soils, 

 tlie Ontario series is most widely used for the crop. 



Because of the seasonal limitations, flint varieties 

 are extensively grown on tlie liills and dent varieties 

 prevail at the lower levels. 



The State produces about a half million acres of 

 corn, with a ten-year average yield of 36.2 bushels. 

 The two tiers of counties south of Lake Ontario 



