VENTILATION OF HOTBEDS 



83 



mometer in the corner of the bed will serve as a guide to the gar- 

 dener in this matter. Cool season crops should not be required to 

 stand a temperature of more than eighty degrees in the day time, 

 and seventy degrees would be better. Warm season crops, such 



"V 



Fig. 57. 



*^'^^^■7W;■3J»"?'Jv* rt r , •» r t'^t*T■''■ H, ?? v: *r*>"''' : *^T 



•^•sfiypCfJi^ 





Fia. 56. — Plan of manure hotbed. The sash is six feet long and slopes to the south. 



Fig. 57. — Cross section of a six-foot hotbed. The bottom of the frame is placed a little 

 below ground and a pit is dug about 18 inches deep. This is filled with fresh horse manure, 

 on top of which is placed 6 inches of rich garden soil. The glass sash on top slopes toward the 

 south to catch the sun. 



as tomatoes, peppers and eggplant may stand a temperature of 

 eighty to ninety degrees. 



Ventilation is accomplished by raising the sash at the north end 



