EFFECT OF CLIMATE AXD SOIL. 133 



in northern Ohio ; and the Belmont, which has been pro- 

 nounced the most valuable of all apples at Cleveland, is un- 

 worthy of cultivation at Cincinnati. These changes in 

 the latter instances, are however to be ascribed to a difference 

 in soil ; and the application of special manures, as lime 

 potash, &c., on those unfavorable soils, has restored their 

 quality. The periods of ripening, given in the following 

 pages, are intended to apply to the northern states. A dif- 

 erence of about two or three weeks exists between fruits 

 cultivated at Boston and Rochester, and in central Ohio and 

 southern Pennsylvania, and other differences of latitude 

 nearly in the same ratio. 



