FIELD CROPS. 103 



302. It takes 4.77 bushels of wheat to make one bar- 

 rel of flour. What was the consumption of flour per 

 capita that year? 



303. For seed in 1910, 1.4 bushels of wheat were used 

 per acre. What was the consumption for this purpose, 

 assuming the same acreage as in 1!J0!J r 



304. How many bushels of the 1909 wheat crop w^ere 

 used for food and seed? 



305. This consumption ecjuals how many bushels per 

 inhabitant in 1910? 



306. How much of the 1909 wheat was available for 

 export ? 



307. If all of it had been exported, what would have 

 been its value ? 



Statistics of Cotton. 



308. The production of lint cotton in 1899 was 9,435,- 

 000 bales of 495 pounds ; in 1909, 10,640,000 bales. How 

 many pounds did each crop make ? 



309. The total acreage in cotton in 1909 was 32,044,- 

 000. What was the average production in pounds per 

 acre? 



310. The average production in bales per acre ? 



311. The value of the commercial cotton crop in 1899 

 was $323,800,000, and in 1909. $703. 000,0 JO. W^hat was 

 the average value per bale each year? 



312. The average value per pound? Per acre? 



313. The total number of farms in the United States 

 in 1909 w^as 6,362,000, and the total value of all the crops 



