238 
Crystallizing, mode of using, 113, 114. 
Cultivation of sorghum, 25. 
adapted to wants of the plant, 25, 33. 
when it should cease, 45. 
(after-cu!ture), 43. 
plan for farmers, 171. 
Defecation, importance of, 156 
and the “striking point,’ 109. 
explanation of first method of, 134. 
second, 135. 
advantages of, 137. 
why necessary, 95. . 
Density of syrup, determined by finger 
test, 108. 
thermometer, 108. 
Drainage of sugar, 115. 
theory of, 115, 116. 
liquoring process, 116. 
directions for, 117. 
vessels (sugar moulds), 116, 117. 
“liquor,” L1s. 
syrup of (molasses), 119. 
liquor from refined juice, 120. 
Payen’s directions in, 120, 121. 
by pressure, 121. 
objections to, 121, 122. 
centrifugal machine, great advant- 
ages of, 122. 
impeded by presence of acid, 133. 
early ripening conducive tu, 73. 
good, how to secure, 42. 
Dutrone’s crystallizing boxes, 112-114. 
Dyeing materials from seed and trash, 
224-226, 
Early planting of cane in China, 215. 
why necessary, 34-37. 
and root development, 36. 
climatic conditions, 36. 
and early ripening, 37." 
other reasons for, 38. 
in China, 38, 215. 
and tillering, 44. 
and when to plant, 37. 
ripening, how secured, 71. 
importance of, 72. 
and nature of the plant, 73. 
influence of drainage upon, 73. 
and selection of seed, 73. 
elevation of surface, 73. 
southerly slope, 74. 
course of cane rows, 74. 
Europe, introduction of sugar into, 16. 
Evaporation, how managed, 94, 102. 
in open air (Payen), 150. 
vacuum pans, 152. 
by the common mode, 163. 
how best conducted, 153. 
in pans with chauneled surface, 165. 
Evaporating range, general directions for 
using, i71. 
“ 
Farm machinery for sugar making, 171. 
Febling’s solution (test), 193. 
how prepared, 194, 195. 
how to use, 194, 195. 
Filter, uses of, 105. 
INDEX. 
Filter, mode of using, 106. 
how to prepare for use, 106. 
Finishing pan, 92. 
best form of, 148. 
Flour from serghum seed, 227. 
Food of the cane plant, 46. 
mineral, special functions of, 52. 
France, North of, sorghum in, 175. 
Freezing of cane, how prevented, 88. 
experiment, 89. 
Fresenius’ method of analysis, 195. 
Frost, effect under different circum- 
stances, 81. 
upon ripe cane, 85. 
and fall plowing, 40. 
Fuel, how economized, 99, 154. 
Fumigation of casks, 239. 
Furnace, construction of, 99, 102. - 
Gall, Dr., method of wine making, 226. 
Geographical distribution of different va- 
rieties, 213. 
Gluten in the seed, 49. 
Grape sugar (see Sugar). 
Grasses, annual growth of, 31. 
Guano, how and when applied, 51. 
Guinea corn or doura, history of, 212-214, 
Gypsum and early planting, 38. 
as a fertilizer, 57. 
Liebig’s observations upon, 60. 
Harris’ experiments upon manures, 57. 
Harvesting of cane, 81. 
Heat, action of upon sorghum juice, 147. 
how regulated in furnace, 147, 148. 
injurious when prolonged, 148. 
effects not always visible, 149. 
Soubeiran’s experiments, 149, 
and open air evaporation, 150. 
imperfect defecation by alone, 163. 
and evaporating surfaces, 163-166, 
and lime, 166, 167. 
Huc, Abbe, observations on sorghum, 24. 
Hydrometer, uses of, 189. 
Illustrations, evaporating range, Frontis- 
Imphee, Wray’s description of, 217-222. 
must not remain uncut long when 
bladed, 82. 
Iron paint for tanks, etc., 99. 
Jackson’s analysis of ash, 51, 52. 
Japan, sugar grown in, 214. 
climate of, 214. 
Johnson, Prof. 8. W., action of gypsum, 
60. 
| Juice of sorghum, effect of manures upon, 
48. 
neutral salts in, 49. 
influence of common salt upon, 50. 
of soils, 63, 64. 
quantity extracted by mills, 124-138. 
