56 



MAINE STATE COLLEGE 



are important conditions and are best secured in a large, well venti- 

 lated house. Bottom heat is not absolutely essential to success, 

 but the crop matures much more quickly if given this condition. 

 The house in which all of our work with tomatoes has been con- 

 ducted is twenty by fifty feet and about eleven feet high at the 

 ridge. The central bed is supplied with six two-inch hot water 

 pipes ; the flow being carried overhead to the further end of the 

 house. The accompanying diagram — Fig. 1 — represents a cross- 

 section of this house showing the benches and the relative location 

 of the hot-water pipes. 



