iv FUMIGATION METHODS 



PAGB 

 CHAPTER VII 



CONSTRUCTION AND MANAGEMENT OF SHEET TENTS . 48-58 



Methods of making and handling sheet tents 

 Apparatus used in Eastern orchards De- 

 scription of California outfit. 



CHAPTER VIII 

 EMORY FUMIGATOR WITH MODIFICATIONS . . , 59-75 



Development of the Emory fumigator Gen- 

 eral description Apparatus for handling Cost 

 of construction The Miller type Method of 

 operating The New York box fumigator. 



CHAPTER IX 

 ESTIMATING GAS FOR ORCHARD WORK . . . 76-83 



Amount of chemicals Cyanide necessary 

 Destroying black scale on citrus trees Red, 

 brown, and purple scale Orchards on damp 

 grounds Eastern orchards Comparative 

 value of cyanide. 



CHAPTER X 



DAYLIGHT FUMIGATION AND COST OF APPLICATION . 84-92 



Experiences in Eastern orchards Expert 

 opinion from California Time of application 

 Cost of orchard fumigation Location of or- 

 chard considered. 



CHAPTER XI 



EQUIPMENT FOR FUMIGATING NURSERY STOCK . 93-111 



Conditions considered Construction and use 

 of boxes How to build a fumigatorium Vari- 

 ous types described. 



CHAPTER XII 

 CONSTRUCTION OF VENTILATORS AND FLOORS . 112-117 



Form used in Canada Arrangement em- 

 ployed in Ohio Method in Delaware A 

 Western idea. 



CHAPTER XIII 

 PRACTICAL HINTS TO NURSERYMEN . . . 118-125 



Estimating chemicals Low-grade stock Cost 

 of nursery stock fumigation Value of small 

 room Preparation of trees Materials needed 

 Cellars and cars Use of canvas over wagon 

 Points to remember. 



