126 THE AMERICAN PEACH ORCHARD 



are injurious to peach foliage. It is very important, 

 especially with hot lime, to cool the mixture quickly 

 by adding a few buckets of water as soon as the 

 lumps of lime have slaked down. The intense heat, 

 violent boiling, and constant stirring result in a uni- 

 form mixture of finely divided sulphur and lime, 

 with only a very small percentage of the sulphur in 

 solution. The mixture should be strained to take 

 out the coarse particles of lime, but the sulphur 

 should be carefully worked through the strainer. 



SPRING SPRAYING FOR SCALE 



Arsenate of lead used with this mixture should be 

 added at the rate of two pounds to 50 gallons. 



SOLUBLE OILS 



Many orchardists prefer to use the soluble oils. 

 These are now extensively ofiFered in the market, 

 mostly under various trade names. They are 

 products of the kerosene industry, the oil being 

 made up to approximately the same specific gravity 



