CHAPTER II. 



Conservation of the Sugar Beet. 



History; general considerations . . . . . . . .237 



Causes of the loss of sugar ; second growth ..... 239 



Heat ; cold ; want of ventilation ; prevention of this loss . . . 240 



Causes of loss of weight ...... . . 242 



Silos .... 243 



Chaptal's idea of a silo 244 



Roots to be utUized shortly, piled on the ground with a slight covering 



of straw ...... .... 245 



System adopted in the Palatinate . ...... 246 



Conical silo - - .247 



Silos permitting gases to make their escape ...... 248 



Silo on a slant, preventing a deposit of water ; Pailly's idea of facili- 

 tating the drainage . . . . . . . . . .249 



Walls of earth preventing disease from spreading ; tj^e of silo permit- 

 ting the water resulting from evaporation to settle . . . 250 

 Type of silo employed in Saxony ..... . . 251 



Economical type of silo 252 



Good type of silo, ventilation being well understood . . . . . 253 

 Type of mode of conservation where charcoal is placed between the layers 



and the bottom 255 



Type of an underground house suitable for conservation in America . 256 



Preservation of the sugar beet ; freezing ; desiccation .... 258 



Preservation of the juice ; preservation of the leaves .... 259 



Silo for preservation of leaves 260 



PART V. 



Enemies of the Sugar Beet. 



Insects and diseases .... 

 Insects ; habits of Melolontha vulgaris . 

 Destruction of the Melolontha vulgaris . 

 Uses of the Melolontha vulgaris . 

 Atomaria .... 



263 

 264 

 267 

 268 

 270 



