FORMULAS FOR SPRAYING MIXTURES. 529 



For use, take one-half gallon of the stock solution 

 and dilute with forty gallons of water, being careful to 

 strain it well. 



SODA-SULPHUR SOLUTION, FORMULA (12). 



For Purple Mite, Red Spider and Rust Mites. 



Sulphur 30 pounds. 



Caustic soda (98 per cent.) 20 pounds. 



Water 3 gallons. 



To make the stock solution, place the sulphur in a 

 half-barrel and reduce it to a thick paste with the three 

 gallons of water. Then add the caustic soda and mix 

 it well with the sulphur paste. As the mixture becomes 

 warm, gradually add water to prevent burning. Stir 

 thoroughly, adding water until twenty gallons of solu- 

 tion are obtained. Drain off into a keg and use as 

 desired. 



For use, take one or two quarts of this stock solution 

 to fifty gallons for rust mite and double this strength for 

 six-spotted mite. 



SULPHUR-LIMB SOLUTION, FORMULA (13). 



Sulphur 61-4 pounds. 



Lime 1 peck. 



Water 10 gallons. 



Place the three substances together and boil for thirty 

 minutes. Place in a keg and use as a stock solution. 



For use, dilute two gallons of stock solution with 

 forty-eight gallons of water. 



