SPECIAL CROPS 



145 



11. How many onion plants will be required to set 

 an acre in rows two feet apart, plants four inches 

 apart in the row? 



12. If a boy can set nine plants per minute, how 

 long will it take him to set them? 



13. If these onions average four ounces each, how 

 many bushels are raised on an acre? If they average 

 six ounces? Twelve ounces? One pound? 



14. What is the value of the crop in each case, at 

 60 cents per bushel? 



15. If it requires fifty days of a boy's time, worth 

 75 cents per day, to raise an acre of onions, what will 

 be his profit on an acre of four-ounce onions ? 



1 6. Select seven potatoes as nearly the same size 

 and shape as possible, from the same hill or similar 

 hills. Cut one potato into four pieces and plant each 

 piece in a hill; this will make four hills. Mark these 

 four hills "Plat No. i." Cut the next two potatoes 

 lengthwise into halves; plant each half in a hill and 

 mark these four "Plat No. 2." Plant the remaining 

 four potatoes whole, each one in a hill, and mark these 

 ''Plat No. 3." Give the same care and cultivation to 

 each plat and, when they have matured, dig all the 

 potatoes carefully and weigh the yield from each plat 

 and tabulate as follows : 



