Order No. 412. 



THE SUGAR INDUSTRY IN THE ISLAND 



OF NEGROS. 



By Herbert S. Walker. 



145 pages, 10 photographic plates, and 1 map. 



Price $1.25 United States currency, postpaid. 



ABSTRACT OF CONTENTS. 



Page. 



Introduction; general and geographical information regarding Negros 9 



Mountains, rivers, and climate 11 



The sugar-producing districts of Negros 14 



History of sugar production in Negros; varieties of cane gro\vn in Negros; 

 cane diseases and insect enemies; nationality of the planters; native 



labor; difficulties, past and present 16 



The soil of Negros compared with that of other sugar-producing countries.. 68 



Average composition of the purple or native sugar cane in Negi'os; other 



varieties of cane grown in Negros; cane in the Hawaiian Islands; 



Egyptian cane; Java cane; Louisiana cane; West Indian cane; Negros 



as compared with other countries in respect to the quality of cane; 



desirability of introducing other varieties of cane - - 78 



The cultivation of sugar eane and the production of sugar as carried on 

 at the present time in Negros ; preparation of the soil ; preparation of 

 the seed; planting; cultural operations after planting; cultivation of 

 ratoon canes ; period of growth of the eane ; cost of cultivation ; cutting 

 the cane ; transporting the cane to the mill ; cost of cutting the cane 



and transporting it to the mill 82 



Manufacture of sugar from the eane ; extraction of the juice ; manufacture 

 of sugar from the juice; quality of the sugar produced in Negros; cost 

 of manufacture; transportation and sale of the sugar; estimate of aver- 

 age cost of same 92 



Quantitative experiments to determine the weight of sugar produced from 



a given weight of eane 114 



Calculation of the average cost of producing sugar in Negros by the methods 

 now employed ; cost for labor alone ; estimate of fixed charges for main- 

 tenance and depreciation of plant and interest on the capital invested; 



total cost of production 123 



Possibilities for improvement ; in cultivation ; in manufacture ; advantages 

 of a change to modern methods of manufacture ; the fviture of Negros ; 

 summary; appendix; an investigation to discover if diseases of the 



sugar cane exist in Negros 126 



Index 143 



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FOREIGN AGENTS. 



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 Mr. Martinus Nijhoff, Nobelstraat 18, The Hague, Holland. 



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