138 THE AMERICAN APPLE ORCHARD 



recipe as given a 5o-gallon kettle would be required; 

 and, in fact, such a vessel (shown on this page) is the 

 cheapest and best provision for handling a small or- 

 chard, say up to 200 or 400 trees. When the orchard 

 reaches 600 bearing trees requiring lime-sulphur 



BOILER FOR LIME-SULPHUR MIXTURE 



treatment some more elaborate cooking apparatus 

 should be provided. 



The making of the lime-sulphur mixture is begun 

 by slaking the lime in the kettle, using hot water. In 

 fact the fire under the kettle should be started at this 

 time. As the lime slakes add water slowly. When 



