INDEX 



461 



Septic tank, 451 



Shallots, 272 



Shelter belts, 91 



Sisal, 310 



Small fruits, chapter on, 337 



Small grains, chapter on, 205 



implements for, 219 

 Smut, grain, 411 



corn, 412 



Social interests, 445 

 Soil, analysis, 120 



air in, 72 



blowing, 75 



chemical changes in, 98 



classified, 75 



conservation and improvement 

 of, 94 



for potatoes, 226 



grains, 73 



inoculation, 71, 79 



limestone, 77 



liming of, 108 



live organisms in, 71 



maintenance, 94 



movements, 74 



packing, 100 



physical changes, 98 



types, 78 



water, movements of, 85 



what it is, 69 

 Soiling crops, 151 

 Soils and their uses, chapter on, 69 



for vegetables, 256 



germs in, 79 



special crop, 70 



water in, chapter on, 81 



water-holding power, 86, 93 

 Soy bean, 177 

 Sphinx moth, 406 

 Spinach, 205 

 " Sports," 22 

 Spraying, accessories, 428 



principles of, 426 

 Spray pumps, 427, 430 

 Sprouting, 4, 11 

 Squashes, 279 

 Squash vine borers, 406 

 Starch, formation of, 5, 11 

 Stocks, 62 

 Stomates, 6 

 Storage, of grains, 53 



of seeds, 53 

 Strawberries, 343 



propagation of, 58 

 Subirrigation, 134 

 Sudan grass, 159 



Sugar, 11 



Sugar beets, chapter on, 239 

 by-products, 242 

 cultivation, 241 

 fertilizers for, 239 

 harvesting, 241 

 planting, 240 

 soils for, 239 

 thinning, 241 



Sugar cane, chapter on, 314 

 by-products, 318 

 cultivation, 316 

 fertilizers for, 315 

 improvement of, 41 

 manufacture or sugar, 318 

 propagation of, 314 

 soils for, 315 

 harvesting, 317 

 Sulfate of ammonia, 117 

 Sulfur, 424 

 Superphosphate, 119 

 Sweet potatoes, 41, 231 

 breeding, 41 

 cultivation, 235 

 digging, 236. 

 diseases, 236 

 fertilizers for, 232 

 planting, 233 

 preparation of soil, 232 

 propagating, 234 

 setting plants, 235 

 soils for, 232 

 storing, 236 

 varieties, 232 

 Swiss chard, 246 



Tankage, 116 

 Testing seed, 47, 48 



methods of, 48> 49 



value of, 48 

 Tillage, 95 



effects of, 96 

 Timothy, 151, 153 



breeding, 40 

 Tip layering, 58 

 Tobacco, chapter on, 366 



breeding, 39 



culture, 369 



curing, 370 



decoction, 423 



harvesting, 370 



soils for, 366 



setting, 368 



young plants, 367 

 Tomatoes, 280 



