288 



SOILS AND FERTILIZERS 



pounds of nitrogen, 3000 pounds of phosphoric acid, 

 and 5500 pounds of potash. 



On a similar farm of 160 acres the crops are rotated 

 as described in Section 341. The amounts of fertility 

 in the crops raised and consumed as fodder, in the 

 products sold, and in the food and fuel purchased, are 

 given in the following table : 



STOCK FARMING 

 Sold from the Farm 



Raised and Consumed on the Farm 



