DAYLIGHT FUMIGATION, COST OF APPLICATION 91 



If perceptibly damp the gas is more liable to burn the 

 foliage. After irrigation, where it is practical, the 

 ground should be allowed to become quite dry before 

 the fumigation operations begin. When trees are wet 

 with dew or a slight rain, care should be taken to see 

 that they are fairly dry before being tented. In some 



FIG. 46 WAGON FOR CARRYING CHEMICALS IN ORCHARD 



instances fumigation in Eastern orchards can not be 

 commenced before nine or ten o'clock in the morning 

 or until the trees are dry. 



Care of tents. When a large fumigating outfit is in 

 operation each tent should be thoroughly inspected 

 daily. In most cases this can be done to best advantage 

 w r hen the tent is over the tree. The inspector should go 

 under the tent and carefully examine it. If there are 



