THE GARDEN PRIMER 



agricultural bulletins, as year by year spraying appara- 

 tus is improved and simplified, and many valuable 

 spraying formulae are produced to combat with success 

 new plant pests. The accompanying table is, for all 

 general purposes, a safe calendar of spraying operations 

 to use as a guide. 



The following recipes are some of the more common 

 ones in general use: 



INSECTICIDES 



1. Ar senate of Lead. Use 4 oz. to 5 gals, of water. 



2. Paris Green. Use i part Paris green to 

 5 gals, water. 



3. Kerosene Emulsion. J Ib. soap dissolved in 

 i gal. boiling water. Add 2 gals, kerosene; agitate 5 

 minutes. Dilute a dozen times before applying with 

 spray. 



4. Lime-sulphur. Use unslaked lime 5 Ibs., 

 flowers of sulphur 3! Ibs., salt i Ib., water 12 gals. 



5. Arsenite of Lime. Use white arsenic i Ibs., 

 Crystal sal soda 4 Ibs. (or if of the anhydrous sal 

 soda, only 2 Ibs.), to i gal. of water. 



6. Ammoniacal Copper Carbonate. Use Copper 

 carbonate 5 oz., Ammonia (26 Beaume*) 3 pints, water 



45 g als - 



7. Whale-oil soap. Dissolve 2 Ibs. in i gal. hot 



water. Dilute 4 times before spraying. 



8. Formalin Spray. Use i pint Formalin to 30 

 gals, water. 



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