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. 
Tiitroduction; general and geograpliical information regarding Negroa 9 
Mountains, rivers, and climate , 11 
The sugar-producing districts of Negros .^ 14 
History of sugar production in Negros; varieties of cane grown 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 tlic purple or native sugar cane in Negros; other 
varieties of cane grown in Negros; cane in the Hawaiian Islands; 
Eg\'ptian 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 76 
The cultivation of sugar cane 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 cane; 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 cane; 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 cane 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 
PossiI)ilitips for improvement: in cultivation; in manufacture; advantages 
of a change to modern methods of manufacture; the future 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. 
The Macmillan Company, 64-66 Fifth Avenue. New York City, V. S. A. 
Messrs. Wm. Wesley & Son, 28 Essex Street, Strand, London. W. C. England. 
Mr. Martinus Mjhoff, Nobelstraat 18, The Hague. Holland. 
Messrs. Mayer & MuUer. Prinz Louis Ferdinandstrasse 2, Berlin, N. W., Germany. 
Messrs. Kelley & Walsh. Limited. 32 Raffles Place. Singapore, Straits Settlements. 
Messrs. A. M. & J. Ferguson, 19 Baillie Street, Colombo, Ceylon. 
CIKCTTLARS AND DESCRIPTIVE mattkh rf.wt nw applicATIOIT. 
