346 



INDEX 



Seed corn (.continued) 



preparation of, 190. 

 Selection of corn 



for composition, 91. 



mass, 88. 



natural, 83. 

 Self-fertilization, 107. 

 Shallu, 313. 

 Shocks, size of, 235. 



tying, 237. 

 Show corn, 253-258. 

 Shredding fodder, 238. 

 Shrinkage of ear corn, 244. 



of fodder in curing, 243. 



of silage, 243, 

 Silage 



from sorghum, 326. 



growing corn for, 212. 



shrinkage of, 243. 



time of harvesting, 229. 

 Sirup-making, 328-330. 

 Smut of corn, 220. 

 Soft corn, 22. 

 SoUs 



as related to growth, 68. 



classification of corn soils, 70. 



non-saccharine sorghums, 301. 



saccharine sorghums, 293. 

 Sowing corn for forage, 171. 

 Squirrels, 214. 

 Stalk cutter, 162. 

 Stomata, number, 35. 

 Stover, feeding value of, 229. 



relative yield, 228. 

 Style, 51. 

 Subsoiling, 166. 

 Sunlight, intensity of, 62. 

 Sweet com 



contract with growers, 266. 



description of, 22. 



forcing sweet corn, 273. 



market for, 270. 



products of, 251. 



seed, 263. 



varieties, 262. 



Teosinte, 18. 

 Tillage 



comparison of methods, 206. 



depth and frequency, 209. 



machinery, 197. 



reasons for, 205. 

 Tillers, 33. 



economic value of, 179. 



factors effecting, 179. 

 Tripsacum dactyloides, 16. 

 Tull, Jethro, 205. 

 Types of corn for different sections, 



185. 

 Type of ear, 85. 

 Type of plant, 86. 



Uses of corn, 249-252. 

 Utilizing the sorghum crop, 324. 



Value of principal crops, 7. 

 Varieties of corn 



development of, 78. 



for different regions, 187. 



improvement, 85. 



production by selection, 83. 

 Varieties of sorghum 



broom corn, 331. 



for grain, 301. 



sweet sorghums, 293. 



Water 



absorption, 45. 



given off, 45. 



loss from fallow soil, 207. 



loss of, 35. 



regulating supply of, 151-157. 



required by months, 152. 



required for corn, 65, 151. 

 Weeds 



clearing, 168. 



effect on yield of corn, 208. 

 Wireworms, 216. 



Xenia, 103. 



Yields, corn. 



ability of corn to, 57. 

 relation to cropping system, 122. 

 to the acre, 7. 

 to the acre, forage, 183. 

 when harvested at different dates, 

 224. 



