336 



Index 



Fertility : 



determination of soil, 76. 



maintenance of, 75. 



of soil, elements of, 69. 



requirements of beets, 74. 

 Fertilizer : 



commercial, for beets, 77-81. 



home-mixing of, 82. 



indirect, 81. 

 Flea-beetles, 193. 



Flower and seed of sugar-beets, 34. 

 Food, value of sugar as, 279-283. 

 Frederick the Great fostered beet- 

 sugar industry, 11. 

 Frederick William III aided first 



beet factory, 11. 

 Freezing : 



and heating of siloed beets, 157. 



effect on quality of beets, 211. 



-in of beets, 149. 

 French encouragement to beet- 

 sugar industry, 11-13. 

 Frost : 



danger during harvest, 149. 



effect on growing beets, 39. 

 Fruits : 



as source of sweet, 7. 



sugar in, 278. 



German encouragement to beet- 

 sugar industry, 13, 15. 

 Germination power of seed, im- 

 portance of, 214, 218. 

 Grasshoppers, 193. 

 Green-manures, use of, 85. 

 Growth : 



habit of sugar-beets, 23. 



of beet-sugar industry, 8. 



of beet plant, 26-29. 



of industry, factors affecting, 2. 

 Guadeloupe, sugar-cane in, 8. 

 Gypsum as a fertilizer, 81. 



Hail, effect on beet growing, 42. 

 Harvesting : 



and threshing beet seed, 227. 



beets, time of, 148-150. 



Harvesting: — Continued 

 implements, 151-164. 

 processes of, 151. 

 Hatiling beets, 155. 

 Hay from sugar-beet tops, 162. 

 Heart-rot of beets {Phoma belae 



Frank), 200. 

 Heating and freezing of siloed 



beets, 157. 

 Heat in the soil, 63. 

 Heterodera achachtii Schmidt, 195. 

 Hoeing sugar-beets, importance 



of, 122. 

 Holding water off to bring maturity, 



150. 

 Home-mixing of fertilizer, 82. 

 Honey formerly chief ioiarce of 



sweet, 7. 

 Horses, feeding beet by-products 



to, 168, 175, 180. 

 Humus in the soil, 64. 



Implements for : * ""' 



harvesting beets, 151-154. 



preparing beet seed-bed, 110. 

 Importation of beet seed, 216, 



217. 

 Increase of sugar in beets, 6. 

 India, as source of sugar, 7. 

 Indirect fertilizers, 81. 

 Injury to beets by insect pests, 



184. 

 Insecticides, 186. 

 Insect pests of beets, 184^198. 

 Iron sulfate as a fertilizer, 81. 

 Irrigation : 



amount to give beets, 131-133. 



before plowing, benefits, 110. 



effect on beet, 137-144. 



methods of, 130. 



of beets, 126-144. 



preparation of land for, 129. 



size of each application, 136. 



time to apply to beets, 133-136. 



water : 



sources of, 127. 

 terms used with, 129. 



