444 



INDEX 



Cecidomyia destructor, 336. 

 Chalcodermis aeneus, 139. 

 Chess or cheat, 334. 

 Chinch bugs, 268, 337, 346. 

 Classification of field crops, 1. 

 by use, 1. 



for the study of cropping 

 systems, 2. 

 Clavicepa purpurea, 346. 

 Cleveland, J. R., 52. 

 Climate, factors of, 213. 

 Club wheat, 315. 

 Cockle, 334, 335. 

 Colletotrichum falcatum, 427. 

 Colorado Experiment Station, 



151. - 

 Connecticut Agricultural Ex- 

 periment Station, 206, 

 207. 

 Cook, J. R., 52. 

 Corbett, L. C, 430. 

 Corn, barren plants, 190. 

 breeding, 187. 

 breeding plot, cultivation of, 



197. 

 breeding plot, harvesting, 198. 

 breeding plot, selection of, 



. 196. 

 breeding, significance of type 



in, 187. 

 broad breeding defined, 204. 

 bud-worms, 265. 

 characters, transmission of, 



204. 

 checking, 240. 

 classification, 177. 

 climate, influence upon habit 



of growth, 216. 

 climatic adaptations, 213. 

 close breeding defined, 204. 

 composition, breeding for, 200. 

 composition, objects of breed- 

 ing for, 202. 

 composition of, 161. 



Corn {Continued). 



composition, other effects of 

 breeding for, 201. 



continuous culture, effect of, 

 217. 



covering rubbish, 232. 



cribs, 261. 



oropping-systems for, 217. 



cross-bred seed, method of 

 producing, 207. 



crossing varieties, value of, 

 207. 



cultivation, importance of, 

 245. 

 by separate rows, 246. 

 depth and frequency of, 



247. 

 late cultivation, value of, 

 247. 



cultivators, kinds, 247. 



cutting and shocking, 255. 



cutting, hand methods, 256. 



cut-worms, 266. 



description of, 150. 



detasseling^ 197. 



dominant qualities in, 206. 



double fertilization, 169. 



drilling, 239. 



ear, 158. 



ear, development of, 171. 



ears, harvesting, 255. 



ears, initial choice of, 195. 



ear-worms, 268. 



enemies, animal, 264. 



fertilization, 168. 



fertilizing constituents, rela- 

 tive importance of, 225. 



fertilizer formulas for, 227. 



fertiUzers for, 223. 



fertiUzers, method of apply- 

 ing, 226. 



fertiUzers, principles underly- 

 ing use of, 228. 



fertilizers, when to apply, 226. 



