6 



Dissolve each of the two solids in two quarts of water and 

 pour the solutions together in the spraying tank. Add the re- 

 maining 41) gallons of water. Mix, and the preparation is then 

 ready for use. 



PARÍS GREEN. — This material may be used as a liquid 

 spray or as a powder. The liquid form is prepared as follows: 



English Metric. 



Paris Green 1 Ib. or 454 grams. 



Fresh quick lime . . . . 2 to 3 lbs. or 1 to 1.5 kilos. 

 Water 50 to 200 gals. or 190 to 760 litres. 



Lime is added to prevent burning. Though perfectly neu- 

 tralized with lime, sprays strong in Paris green cannot be ap- 

 plied to some plants, such as beans. Sprays containing the máx- 

 imum amount of Paris green may be used upon the more har- 

 dy plants only, such as tobáceo, egg plant, tomato and citrus 

 trees. Frequent stirring during the process of application is 

 necessary, as the Paris green does not dissolve in the water, 

 bnt merely mixes, and the particles being heavier than water, 

 quickly settle to the bottom of the container. It is especially 

 commendable to thoronglily agitate the liquid before star- 

 ting to spray, otherwise the Paris green, having settled to the 

 bottom, will all be sprayed out first. 



Paris Green. Dry formula. 



English Metric. 



Paris green 1 Ib. or 454 grams. 



Air slaked lime, flour, eorn meal, or 



similar dry substances 6 to 50 lbs. or 2.7 to 26.6 K. 



It is a common practice in Cuba to sprinkle the puré Paris 

 green upon tobáceo. As a result many times the leaves 

 are burned and the crop injured severely. 



If none or little of the mixing agent is used, a corresponding 

 increased amount of care should be taken in applying the ma- 



