INDEX 



Africa, production of potatoes in, 3. 



alcohol, manufacture of, 274. 

 slops or residue, 282. 

 use for, 271. 



alfalfa in rotation, 111, 112. 



alsike clover in rotation, 111. 



Aroostook County, Me., as a potato 

 center, 7, 113. 



arsenical injury, 202. 



Asia, production of potatoes in, 3. 



association of characters in breed- 

 ing, 75. 



Australia, production of potatoes 

 in, 3. 



Austria-Hungary, production of 

 potatoes in, 2, 3. 



bacteria in soils, 102. 



bacterial wilt, 200. 



Baker, 21. 



barley, value in United States, 3. 



world's crop, 1. 

 Bauhin, 15. 

 belladonna, 1. 

 black-leg, 199. 

 blister-beetle, 175. 

 bordeaux mixture, 217. 

 botanical characteristics, 21. 

 breeding, 47-85 (chapter IV). 

 bud-selection, 57. 

 bud-sports, 57, 76. 



calcium, 124. 



Canada, production of potatoes in, 

 3, 13. 



de Candolle, 15. 

 capsicum, 1. 



Carbondale, Colo., as a potato cen- 

 ter, 7. 

 Cardan, 15. 



Chester County, Pa., potatoes con- 

 sumed on farms, 12. 

 Cierca de Leon, 14. 

 classification, 21. 

 climate, 86 (chapter V). 

 Clusius, 15. 



Colorado potato beetle, 170. 

 composition of potatoes, 262. 

 constitutional degeneracy, 205. 

 control measures against disease, 



206-225 (chapter XI). 

 corn, value in United States, 3. 



world's crop, 1. 

 cost of growing potatoes, 287-313 

 (chapter XV). 



harvesting, 234. 



hauling, 307. 

 cotton, value in United States, 3. 

 cover-crops, 105. 

 critical period, 89, 95. 

 crop reporter, 257. 

 crossing, method of, 78. 

 cultivation of potato, 163. 

 culture of potato, 89. 

 curly dwarf, 203 ; control, 206. 

 cutting seed, 156. 

 cyanimid as fertilizer, 120, 121. 



Dala potato, 73. 

 Darwin, 76. 



description of potato, 22. 

 desiccated potatoes, 284. 

 digging, methods of, 230, 

 disease, 97. 



from organisms in soil, 212. 



proof varieties, 50, 221. 

 diseases of potato, 183-205 (chapter 



X). 

 Dodge, 70. 

 drainage, 95. 



315 



