42. 



8. Make weekly, monthly, or yearly graphs of the temperature, baro- 

 meter', rainfall, etc. 



LXXI, Some Farm Operations. 



1. What system of rotation is practised on your farm? What is the 

 advantag-e of a rotation? Why is it necessary? 



2. What is a soiling- crop? What plants may be used for soiling- 

 crops ? What are the advantages of each ? 



3. What is a cover crop? What plants may be used for cover crops? 



4. Explain the construction of a silo. What is its use? How and 

 when is it filled? How is the silage used as feed? 



5. What is the order of seeding in the spring? Why? What ad- 

 vantage in fall plowing? 



6. How is the land prepared for seeding? The reason for the 

 thorough cultivation ? What implements are used ? 



7. What are the uses of drains? How are they made? When 

 may ll.e drains be made deep? When shallow? 



8. What is hay? How cured and why? Wliat plants are grown 

 for hay^ What machinery is used in haying? 



9. When are grain crops ready to harvest? Wliy leave the sheaves 

 out in stooks for a few days? Describe the operation of threshing. What 

 niacli'nery is used? 



10. What advantages arise from cultivating- stubble land after harv- 

 est? How to rid a badly infested field with weeds? 



11. W^hen are clover and timothy sown? Why at that time and 

 with that crop? W^hy should clean seed only be used? What is meant 

 by seeding down? 



12. What are the uses of root crops? When and how is the land 

 prepared for corn, for mangels, for turnips? How is each crop har- 

 vested ? 



