KEROSENE EMULSION 73 



Regular Home-made Lime-sulphur Wash 



Lump lime 20 pounds 



Sulphur 15 pounds 



Water 50 gallons 



The material here described, when finished, is of the proper strength 

 for use as a winter spray, without further dilution. It contains much 

 sediment, and must always be carefully strained before use, or it will 

 clog the nozzles intolerably. It is the standard formula with many 

 fruit growers, and is considered to be especially effective against San 

 Jose scale. 



It is easier to prepare it if facilities are at hand for cooking by steam ; 

 but the use of large iron kettles is permissible, provided the material 

 is stirred constantly and vigorously during the entire time it is cooking. 

 Place in the boiler 20 pounds of stone lime. Add a few gallons of 

 hot water to start the lime to slaking, and then gradually add 15 pounds 

 of flowers of sulphur, stirring constantly. Add 12 gallons of hot water, 

 and boil hard for an hour. Dilute with more hot water until there are 

 50 gallons of the mixture. Strain carefully, using preferably a brass 

 wire strainer with twenty meshes to the inch. Apply the solution 

 while still hot. 



Kerosene Emulsion 



Hard soap h pound 



Hot water (soft) 1 gallon 



Kerosene (coal oil) 2 gallons 



Dilute as directed. 



Kerosene emulsion is a valuable insecticide, especially for destrojang 

 hibernating insects in rubbish, and, when further diluted, for killing 

 plant lice, and other similar insects. The ingredients are kerosene 

 (coal oil), soap, and water. By means of the soap the oil is broken up 

 into extremely fine particles, or, in other words, is '' emulsified," so 

 that in effect it may be applied greatly diluted, and its killing power on 

 insects secured without injuring plant tissues. 



To prepare, shave up ^ pound of laundry soap in 1 gallon of soft 



