WHERE TO GROW MUSHROOMS 



justified. In the house there will always be 

 a moist atmosphere and the contact of this 

 moisture-laden air with cold walls may, of 

 course, produce constant precipitation of 

 moisture or ^'sweating." A sufficiently 

 sloping roof provided with air space will 

 correct, to a large extent, this difficulty. 

 Arrangement should always be made for 

 ventilation, and it is usually advisable to 

 place the ventilators in the roof, the main 

 point being that the purpose desired is then 

 accomplished, as a rule, with less inconveni- 

 ence from direct drafts. 



When beds are to be prepared in caves, 

 cellars, or merely on the floors of the build- 

 ings used, the matter of preparing for the 

 beds is a very simple one. When for com- 

 mercial production every foot of available 

 space is to be used, and especially in houses 

 built for mushroom growing, the construc- 

 tion of supports for the different tiers will 

 require particular attention. Do not make 

 the mistake of using inadequate supports. 

 The upright supports for beds in tiers of 



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