INDEX 



423 



Rye continued : 

 culm of, 178. 

 culture of, 182. 

 flour, 178. 

 forage crops, 179: 

 fungous diseases of, 183. 

 green manure crop, 179. 

 history of, 177. 

 insect enemies of, 183. 

 kernel of, 178. 

 pasturing, 179. 

 production of, 180. 

 roots of, 177. 

 seeding of, 182. 

 soils for, 181. 

 spikelets of, 177. 

 uses of, 178. 

 yield of, 181. 



Saccharine sorghums, 229. 

 Sale of grain, 389. 

 Scab of potato, 368. 

 Sea Island cotton, 341. 

 Secale cereale, 177. 

 Shipping grain, 382. 

 Silage crops, 13. 

 Silo, filling of, 79. 

 Six-rowed barley, 167. 

 Smut, treatment for, 132. 

 Soiling crop, 12. 

 Sorghum halpensis, 228. 

 Sorghums : 



classes of, 229. 



description, 228. 

 Sorghums, nonsaccharine : 



culture of, 237. 



description of, 232. 



kafir, 233. 



milo, 234. 



varieties of, 233. 

 Sorghums, saccharine : 



cultural methods of, 230. 



description of, 229. 



harvesting of, 231, 232. 



varieties of, 230. 

 Sorgo, 229. 

 Soy bean : 



adaptation of, 307. 



cultural methods of, 310. 



Soy bean continued: 



description of, 305. 



distribution of, 307. 



harvesting of, 311. 



seeding of, 310. 



uses, 308. 



Species of plants, 3. 

 Spelt, 108. 

 Spermatophytes, 6. 

 Spring vetch, 297. 

 Substitute hay crops, 380. 

 Sugar beet : 



adaptation, 326. 



cultural methods, 326. 



description, 324. 



distribution, 325. 



seeding, 327. 



seed production, 329. 



sugar manufacturing, 328. 

 Sun sprouting potatoes, 363. 

 Sweedish clover, 269. 

 Sweet clover, 298. 



Temporary pastures, 379. 

 Teosinte, 38. 

 Testing seed : 



corn, 68. 



grass, 374. 

 Thallophytes, 6. 

 Timothy : 



adaptation, 196. 



cultural methods, 197. 



cutting for hay, 198. 



cutting for seed, 200. 



description of, 194. 



distribution of, 196. 



history of, 194. 



improvement of, 200. 



mixtures of, 197. 



seeding of, 197. 



seed, weight per bushel, 196. 



yield of, 200. 



Toxic substances in soil, 22. 

 Trifolium, 253. 

 Trifolium hybridum, 269. 

 Trifolium incarnatum, 270. 

 Trifolium pratense, 254. 

 Trifolium pratense perenne, 264. 

 Trifolium repens, 266. 



