CHAPTER XXV 



GROWING VEGETABLES UNDER GLASS 



With one or more greenhouses, even though 

 small, some or all of the varieties of vegetables 

 specified for growing in coldframes may be had 

 throughout the fall, winter, and spring; and in 

 addition, Tomatoes, Cucumbers, String Beans, 

 Asparagus, and Rhubarb. 



One essential for a greenhouse intended for 

 growing vegetables (or almost anything else for 

 that matter) is, that means shall be provided for 

 abundant ventilation. Plants, like humans, 

 thrive very much better if allowed to breathe 

 pure air, and unless all the air possible, consistent 

 with the temperature desired, is given, the plants 

 will not attain their best development. Bright 

 sunshine, pure air, and water in reasonable 

 amount are prime factors in making plants 

 happy. 



Good soil is an important consmeration, and 

 is not so difficult to obtain as is often supposed. 

 "Fresh sod from the surface of an old pasture 

 field" is generally advised by horticultural 



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