51 



Tte mean yields in tons of Commercial Sugar 'per acre reported, are as 

 follows : — 



These results should certainly encourage the Jamaica Board of Agri* 

 .cultui-e in the prosecution of their plans for a systematic trial of cane 

 varieties on all the chief sugar producing areas of the Island. 



TABLES OF SUGAR PRODUCTION. 



By the Hon .Francis Watts, Antigua. 



These tables were prepared for the Imperial Department of Agriculture 

 by Mr. Watts and should be of value to Sugar Planters in Jamaica. 



Table showing the Number of Tons of Cane and Gallons of Juice re- 

 quired TO Produce One Ton of Sugar under varying Conditions of 

 Manufacture and op Saccharine Richness of Juice. 



Juices. 

 .Pounds of Cane Sugar per 

 Imperial Gallon of Juice 

 Total Solids 

 Purity 

 Specific Gravity 30—16.6 



Case I. 



Crushing by Mill per cent 

 Extraction per cent 

 Gallons juice per ton sugar 

 Tons cane per ton sugar 



