CONTENTS XV11 



PAGE 



vvurzels, p. 277 ; Varieties, p. 279 ; Adaptation, p. 280 ; 

 Irrigation, p. 281 ; Rotation, p. 281 ; Fungous dis- 

 eases, p. 282; Insects, p. 282; Preparation of the 

 soil, p. 282 ; Seeding, p. 283 ; Distance apart of rows, 

 p. 284; Thinning, p. 284; Cultivation, p. 285; Har- 

 vesting, p. 285 ; Yields, p. 286 ; Feeding, p. 286 ; 

 Production of seed, p. 287. 

 History 288 



II. Turnips, Rutabagas, Kohlrabi and Cabbages 



Types 289 



Description, p. 290 ; Comparison of turnips and rutaba- 

 gas, p. 290; Varieties, p. 291; Adaptation, p. 291; 

 Cultural methods, p. 292; Seeding, p. 292; Enemies, 

 p. 293; Yields, p. 294; Value, p. 294. 

 Production 295 



III. Rape 



Description and Varieties 295 



Adaptation and cultivation, p. 296; Value, p. 297. 



IV. Carrot 

 Carrot 298 



Adaptation, p. 299; Seeding, p. 299; Cultural methods, 

 p. 299; Yield, p. 299. 



V. Minor Root Crops 



Parsnips 300 



Cassava 300 



Chinese Yam 300 



Chufa 300 



Jerusalem Artichoke 301 



Practicums 301 



Study of characters of roots, p. 301 ; Increase of dry 

 matter in mangel-wurzels by selection, p. 302; De- 

 termination of specific gravity of root and juice, 

 p. 302. 

 Collateral Reading 303 



