Vlll CONTENTS. 



PAGE 



Vilmorin's method . . . .179 



Mehay's experiments ; Dervaux's idea 180 



Mr. Walkhoff's views : selection of roots by Deprez & Co. ; Viollette's 



views and tests -. 181 



Simon Legrand's idea; Walkhoff's views 183 



Saccharine changes in the roots ; the flowers 185 



The fruit 186 



CHAPTER VI. 



Harvesting. 



Time for harvesting 189 



Methods of harvesting, machine, hand pulling . . . 191 



CHAPTER VII. 



Yield and Cost of Cultivation. 



Estimates of Payen . . . . . . . . . .198 



Farms in the arrondissement of Cambrai ...... 199 



German estimates .......... 200 



Walkhoff's figures of cost in Russia; the author's experience in New 

 Jersey and Pennsylvania ........ 201 



Value of beets ... 202 



CHAPTER VIII. 



Rotation of Crops. 



Importance of a rational rotation of crops . . . . . .207 



Experience the best guide for the rotation of crops . . . .211 



Rotation practiced in France 212 



PAET IV. 



CHAPTER I. 



General Considerations on Economical Transportation- 

 Decauville, Provin, Linard, etc. 



Duffrin6 Brothers' road locomotives .... 



Corbin's idea ...... 



Decauville's idea ........ 



Porteur Decauville ... ... 



Civieres for transportation of beets .... 



Building of a ailo near the main tract — System Decauville 



Linard' s idea . 



Aerial transportation ; Hodgson's idea .... 



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 226 



