Insects and Sprays 181 



or dissolve by suspending the crystals in a coarse 

 sack in a half barrel of water. 



Slake 4 Ibs. of fresh lime in a wooden tub or 

 half barrel, adding slowly just enough water to 

 insure thorough slaking. When slaked, enough 

 water may be added to make the mixture of the 

 consistency of cream. 



When cold, strain lime mixture through a wire 

 strainer into the barrel and add enough water to 

 make 25 gallons; dilute the copper solution with 

 enough water to make 25 gallons and pour it slowly 

 into the lime mixture. 



Bordeaux Ar senate of Lead Mixture: 



Mix 3 Ibs. of lead arsenate powder with 50 gal- 

 lons of Bordeaux mixture. 



Self -Boiled Lime Sulphur: 



Place 8 Ibs. of fresh stone lime in a barrel and 

 slake, using no more water than is necessary. As 

 soon as the heat has generated, sift in 8 Ibs. 

 of sulphur flour and stir into the lime solution 

 thoroughly, gradually adding more water to make 

 a thick paste. Heat for fifteen minutes then cool 

 by adding more water. Strain into a barrel and 

 add enough water to make 50 gallons of the 

 mixture. 



