118 VEGETABLE GARDENING 



REVIEW QUESTIONS 



1. Discuss the use and construction of a cold frame. 



2. Discuss the use and construction of a hotbed. 



3. Discuss the use and construction of a fire hotbed. 



4. Discuss the use and construction of a greenhouse. 



5. How should the ventilation and temperature be regulated 

 for plants grown under glass? 



6. How should plants be watered? 



7. What kind of soil is best for plants growing under glass? 



8. What is a good method of starting plants in a greenhouse? 



9. What may be substituted for glass on hotbed sashes? 



10. Name ten important things to be remembered in building 

 glass houses for plants. 



