A Graphic Summary of American Agriculture. 



25 



RELATION OF IMPROVED LAND, 

 LAND IN CROPS, & FOOD PRODUCTION 



TO 



POPULATION 

 UNITED STATES; 1850 - 1920 



(land IN CROPS; 1880-192o) 



Q- 2 

 < < 

 U -J 



^< 



ui < 

 q: -I 



^ lU 



> 

 o 



1850 I860 1870 1880 1890 1900 I910 1920 



6 

 5 

 4 



3 

 2 

 1 



yro O D ^^O OO c 1 'i^fo A* ^J 

 -r "Z. -^*— — " (3^ P^ " 





50 E 



< 



u 



40 ct 



UJ 



a. 

 30 ^ 



20 w 



Z3 

 03 



10 



1850 I860 1870 1680 1890 1900 1910 1920 



Fig. 18. — The amount of improved land kept pace with the iiicieasing popuhitiou fijin 

 1850 to 1870, increased more rapidly than population till about 1S8.J, then more slo\yIv 

 till 1910, and during the decade 1910-1920 increased only .". per cent, as compar.'.l \yilh 

 15 per cent increase in population. Food production, however, increased more laindiy 

 than population till about 1906, or for 20 years after tlie peak had 'J/'fi' mif''"'' «'i 

 acreage of improved land per capita, and has since increased more slowly than papula- 

 tion. But consumption per capita has been niaintaincnl up to the present tiui* oy 

 diminishins the exports. The per capita production and consumption figures aie n\e- 



^po 

 year averages centered on the census year. 



