FIELD CROPS. 



107 



329. How many bushels of Irish potatoes were pro- 

 duced in 1909? Sweet potatoes? 



330. The Irish potato acreage in 1899 was 81 per cent 

 of that in 1909. The number of bushels per acre in 1899 

 was 93.0. and the price per bushel was 36 cents. What 

 was the value of the 1899 crop? 



Corn Improved by Selection. 



The original stock is shown at the right. By carefully selecting the best ears, 

 the type at the left was obtained. 



331. What was the average price per bushel of Irish 

 potatoes in 1909? 



332. The average price of sweet potatoes? 



333. It has been proved that a more careful selection 

 of wheat for seed purposes will greatly increase the pro- 

 duction of each acre. Were this increase but one bushel 



