66 HOT-BED AND COLD FRAME 



20. What kind of manure should be used for the hot-bed? 



21. What is the proper way of placing the composted manure in the pit? 



22. Why is it important to have the manure firmly tramped down? 



23. What is secondary fermentation and how high does the temperature 

 go? 



24. How long after the hot-bed has been made before the seeds can be 

 planted? 



25. What is the difference between a cold frame and a hot-bed? 



