136 



FOREST VAI.U.VTJON 



barley, rye, cotton, potatoes, hay, tobacco and buckwheat, 

 are presented in the following diagram. 



The data 



Fig. 2. Chart showing the value per acre of lo crops combined (corn, 

 wheat, oats, barley, rye, buckwheat, potatoes, hay, tabacco, and cotton), rep- 

 resenting about 90% of the total cultivated area of the United States. 



These figures present the gross income per acre of fields and 

 meadows, actually tilled that year, and show that even at present 

 prices this gross income is only about $16 an acre and that for more 

 than 25 years prior to 1904 it was usually below $12 an acre of fields 

 and meadows. These fields contained 47 acres per farm, or made 

 only 34% of the farm itself. The following table indicates the rel- 

 ative importance of the principal crops, and presents some figures 

 on the cost of production of farm crops in the United States, 1909. 



Corn 



Wheat 



Oats 



Cotton 



Potatoes 



Hay 



Barley and rye 



Total 



area 



million 



acres. 



105 

 49 

 37 

 37 



3.6 

 43 



9.7 



Total 

 Value 

 million 

 dollars. 



1520 



555 

 452 

 825 

 212 

 856 

 13s 



Yi-eld 

 per 



32 bu. 



17 bu. 



35 bu. 

 240 lbs. 

 ii8bu. 

 1.2 tons 



22 bu. 



Value 

 per 

 acre. 



19 

 17 

 14 

 30 

 35 

 14 

 II 



Cost of 

 production 



per acre 

 exclusive 



of rent. 



$ 



8.52 



7.85 



7-13 



16.70 



25 



about like 

 oats. 



