252 SOILS AND FERTILIZERS 



On a similar farm of 160 acres the crops are rotated 



as described in Section 320. The amounts of fertility 



in the products sold, the crops raised and consumed 



as fodder, and the food and fuel purchased, are given 

 in the following table : 



Stock Farming 

 Sold from the Farm 



Phosphoric 



Nitrogen. acid. Potash. 



Pouuds. Pounds. Pounds. 



Butter, 5000 pounds 5 5 5 



Young cattle, 10 head 200 190 16 



Hogs, 20 of 250 pounds each- 100 40 10 



Steers, 2 48 38 4 



Wheat, 10 acres 250 125 70 



Flax, 10 acres 390 150 190 



Rye, 10 acres 285 128 85 



Total 1278 676 380 



Raised and Consumed on the Farm 



Clover, 20 tons 66 270 600 



Timothy, 20 tons 600 180 800 



Corn, 20 acres 1500 300 800 



Corn fodder, 1 acre 75 15 60 



Mangels, 2 acres 150 70 300 



Potatoes, 1 acre 40 20 75 



Straw, 40 tons 400 200 1000 



Peas, 5 acres 85 200 



Oats, 20 acres 700 240 200 



Barley, 20 acres with straw- • 800 400 760 



4265 1780 4795 

 Mechanical loss of food con- 

 sumed, 3 per cent 128 53 144 



