178 Insects and Sprays 



to re-fertilize with liquid fertilizer, as lime tends to 

 destroy the fertility of the soil. 



A powder gun will be found a most convenient 

 little article when spraying with sulphur dust or 

 other dry powders. It will not be expensive and 

 will last indefinitely. 



An asbestos torch can be used to advantage when 

 getting rid of caterpillars on high branches. It 

 should be saturated with kerosene and held near 

 the insects. The heat will kill the pests and will 

 not destroy the trees. 



Quails, tree-swallows, killdeers, robins, flickers, 

 night-hawks, and pine-siskins are invaluable to the 

 gardener. Among the pests which they eat for 

 the fanner are: 



Boll-weevils 



Potato-bugs 



Chinch-bugs 



Plant lice 



Olive scales 



Mosquito larvae 



Grasshoppers 



Beetles 



Wasps 



Caterpillars 



A gentle slope toward the south or southeast is 

 preferable for the garden, as it tends both to pro- 

 duce earlier crops and is likely to drain properly. 



