THE POTATO 151 



Fertilizer r * . . . $30.00 



Seed 14.00 



Barrels 12.00 



Rent. 15.00 



Digging and delivering 10 . 00 



Cultivation 7.50 



$88.50 



Revenue 40 barrels at $3.25 $130.00 



Cost . .- 88.50 



Profit . . . . . $ 31.50 



"Where land is tiled with three-inch tiles eigh- 

 teen inches deep, with lines of tile forty feet apart, 

 with a device for closing tiles at outlet so as to 

 control moisture content of land greater revenue 

 is made. The cost of tiling is $30 an acre. 



"On tiled land there is no waste from open 

 ditches and more seed and fertilizer .are required. 

 More seed is required because hills are planted 

 closer together. 



"Following are figures on tiled land: 



Fertilizer $40.00 



Seed 25.00 



Barrels 30.00 



Rent 30.00 



Cultivation 7.50 



Digging 20.00 



$147.50 



Revenue 120 barrels at $3.25 $390.00 



Cost 147.50 



Profit $242.50 



The cost of growing an acre of potatoes in 

 Kansas is given by Secretary F. D. Coburn, of the 



