FRUIT GROWING 63 



When single plates or apples are scored, the first point 

 may be graded the full 20 points. 



2. Decay in Apples 



Select three ripe apples of the same variety and of 

 equal degree of ripeness, and bring them before the class. 



1. Strike against the side of one so as to bruise the 

 surface but not break the skin. 



2. Bruise the second apple so that the skin is broken. 



3. Leave the third apple uninjured. 



Place the three apples away somewhere in the room 

 where they will not be disturbed, and observe the results 

 from day to day. 



1. Which apple decays first? 



2. Of what use is the skin of the apple ? 



3. Take two apples of nearly the same size, and 

 weigh both. Peel one and leave the other untouched. 

 Weigh both apples again in twenty-four hours. Which 

 has lost the most in weight? Explain the cause. 



NOTE. If there are no scales in the school, ask some 

 pupil to bring his instrument from his home. 



Problems 



1. On our farm is an apple orchard of three acres. 

 If the trees are 40 feet apart, and are about 15 years 

 old, what cash return should we expect from the sale 

 of apples at $3.00 per barrel? 



2. What will it cost per acre to set out a young apple 

 orchard, if we have to pay 25c a tree? Plant trees in 

 squares, 36 feet apart. 



3. Deduct from the price received above for apples, 

 the expenses of spraying, determined in Lesson 73, and 



