112 



FARM ARITHMETIC. 



363. The same year 364,093 acres were planted to 

 sugar beets, which produced a crop worth $19,880,724. 

 What was the value per acre? In 1899, 110,170 acres 

 worth $3,323,240. Value per acre ? Per cent of increase 

 during the decade ? 



Cost of Production. 



364. What is the cost in your locality of plowing an 

 acre of land? Determine this as accurately as you can. 



365. Of harrowing? 



366. How many acres can be rolled in one day? 



367. How manv acres can be cultivated in one day? 



This Plowing Is Ideal. 

 Note how mellow and crumbled the furrow slice has been left. 



368. How many acres can be cultivated in a day with 

 a double cultivator? 



369. When corn or cotton is cultivated four times 

 during the season, and the labor of a man costs $1.50 a 

 day, what is the average saving during a season through 

 the use of a double cultivator ? 



370. What is the cost of harvesting an acre of corn? 



371. Of wheat? Of cotton? 



