SOLUTIONS FOR SPRAYING 



133 



cumstances should the process be reversed and the 

 lime poured into the copper sulphate. This Httle de- 

 tail, which is of no obvious importance whatever, really 

 makes the difference between a g-ood and a very 

 bad mixture which may ruin the foliage on every tree 

 it touches. 



ARRANGEMENT FOR MIXING BORDEAUX 



When a big campaign of spraying is on and much 

 bordeaux has to be made, the best plan is to make up 

 stock solutions. To do this dissolve say 40 pounds 

 of copper sulphate in 40 gallons of hot water, and set 

 it aside for use. Then in a suitable box slake 40 



