INDEX 



xxxv 



Soil fertility, relation of type of farm- 

 ing to, 29, 115 ff. ; maintenance of, 

 82 ff. ; returning the, removed in 

 crops, 115; live stock and, 115- 

 118; grain farming and, 118-119; 

 balance of gain and loss, 119-120; 

 the business side of maintaining, 120 



Soils, and fertilizers, 109; for roots 

 and tubers, 231-232 



Sorghums, 9, 24, 218, 223228, 327, 

 345, 346, 365, 393, 405 ; water drawn 

 from soil by, 29 ; sorghums and dry 

 farming, 131 ; smuts of, 293-294 



Sorrel, 63, in 



Sotham, W. H., 383 



South, the, corn in, 141, 142, 149; 

 oats in, 169; rice in, 173; cotton 

 in, 178; Bermuda grass in, 201; 

 carpet grass in, 202 ; Japan clover 

 in, 217 ; vetch in, 220 



South America, corn in, 135, 137 ; 

 pastures in, 192 ; sugar cane in, 237 ; 

 forests in, 279 



South Carolina, sea-island cotton in, 

 178; tobacco in, 245 



South Dakota, corn in, 140, 142; 

 wheat in, 158; alfalfa in, 210; kao- 

 liang in, 226 



Soy beans, 204, 220, 328, 404 ; in 

 orchards, 274 



Spain, alfalfa in, 210; development 

 of sheep in, 410 



Specialized farming, 439-440 



Spillman, W. J., 203 



Spray schedule (Appendix I),xiv-xv 



Spraying, 291-292, 313 ff., 424 ; sig- 

 nificance of, 313-314; insecticides, 

 314-316 ; spraying for fungous dis- 

 eases, 316; copper sprays, 316-317 ; 

 apparatus for spraying, 317-318 



Spruces, 280-281 



Standardization of farm products, 442 



State ownership of forests, 282 



Stevens, F. L., 299 



Stover, 93, 346 



Straw, 93, 325, 342, 393 



Strawberries, 39 



Sudan grass, 202 



Sugar, 31-32, 236 ff., 372 ; importance 

 of, 236; sugar beets, 236-237 ; sugar 

 cane, 237-238 ; sugar maples, 239 ; 

 honey bees, 239-240 



Sugar beets, 236-237, 367 ; water 

 drawn from soil by, 29 



Sugar cane, 35, 237-238 



Sugar maple, the, 239 



Sulphate of ammonia, 102 



Sulphuric acid, 103 



Sunflowers, 26, 30 



Surface washing, 84-86 



Sweden, oats in, 169 



Sweet clover, 216-217, 405; water 

 drawn from soil by, 29 



Sweet potatoes, 231, 234 



Swine, 395 ff. ; origin of, 395 ; the 

 lard hog, 395-396; the Poland 

 China, 396-397 ; Duroc-Jersey, 397; 

 Berkshire, 398; Chester White, 398- 

 399; bacon hog, 399; Large York- 

 shire, 399; Tamworth, 400; Hamp- 

 shire, 400-401 ; management of 

 herd, 401-402 ; feeding young pigs, 

 402; finishing hogs for market, 402- 

 403 ; feed for fattening hogs, 403 ; 

 balanced rations for feeding, 403 

 404 ; hog pasturage, 404-405 ; sani- 

 tation and common diseases of hogs, 

 405-406 



Tankage, 93, 102, 326, 328, 402 



Tennessee, wheat in, 160; pastures 

 in, 193; tobacco in, 246; mules 

 produced in, 338 



Testing eggs, 431 



Texas, sorghums in, 227 ; mules pro- 

 duced in, 338 



Theophrastus, quoted, 58, 262 



Thorne, C. E., 57, 90, 100, 121 



Tiling, 123-124 



Timothy, 46, 73, 86, 93, 192, 194, 195, 

 196, /97/, 345' 3 6 7 



Tobacco, 106, 107, no, 218, 242 ff., 

 266 ; as farm crop, 242 ; classes 

 and types of, 243 ; cultural methods, 

 243-244; cigar leaf, 244-245; manu- 

 facturing type, 245-246; export 

 type, 246 ; soil depletion, 246 ; root 

 rot of, 291 ; used for destruction of 

 insects, 316 



Tomatoes, 218, 288 



Tschermak, Erich, 14 



Tuberculosis, 288 



Turkeys, 310. See also Poultry 



Turnips, 9, 38, 231 



Ulbricht, T. C., 455 



United Kingdom, oats in, 169 



United States, the, consumption of 



sugar in, 236 ; sugar cane in, 237 ; 



forests in, 279-281; dairying in, 353; 



