EXERCISE No. 5 

 STUDYING BUTTS AND TIPS 



Object: To learn to recognize an ear of corn with good 

 butt and good tip. 



Material: Several samples of butts and tips of corn. 



Method: After becoming familiar with good butts and 

 tips and poor butts and tips, make careful drawings to illus- 

 trate each. Be sure that the drawings are labeled. Make 

 drawings from the butts and tips studied in class. 



Conclusion : State what constitutes a good butt and a 

 good tip. 



EXERCISE No. 6 

 SELECTING SEED CORN 



Object : To learn how and when to select good seed corn. 



Material : A field of corn. 



Method: After the desirable points of a good seed ear 

 have been studied in class go into a corn field and let each 

 member of the class select five good seed ears, if enough can 

 be found. These ears should be marked so that the pupils 

 can easily find them. Each stalk and ear selected should be 

 discussed and reasons given for its selection. It should be 



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