THE EARTH'S BOUNTY 



a small orchard has to be treated. If you wish 

 to make it, the ingredients are: Five pounds 

 copper sulphate or blue vitriol, 5 pounds of 

 quick lime, 50 gallons of water. Tie the cop- 





KNAPSACK SPRAYER. 



per sulphate in cheese-cloth, and suspend in a 

 pail of water to dissolve. Make a paste by 

 slacking the lime with water, strain, place the 

 lime paste in a narrow, deep vessel, add the 

 copper sulphate, and churn until thoroughly 

 mixed. Then add the full quantity of water. 



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