EQUIPMENT FOR FUMIGATING NURSERY STOCK 99 



secure the paper. The flooring can be joined very 

 easily and will be tight. The ceiling and floor 

 should be constructed in the same manner. In some 

 cases a good solid clay floor will answer. Care should 

 be taken to see that the house is absolutely tight at the 



FIG. 52 ROOM WHERE TREES ARE FUMIGATED BY THE 

 WAGON-LOAD 



ground surface A ceiling six to seven feet in hight 

 is most desirable and economical. 



One of the largest houses in the country in which 

 nursery stock is fumigated is shown in Fig. 51. It is 

 32 x 1 6 x 8 feet with a roof -pitch of two feet, and is 

 divided into two large rooms about 15 x 14x7 feet 

 and two smaller rooms 4x5x7 feet. The flues lead- 

 ing out at the top of the roof are so arranged they will 



