544 INDEX 



Rye grass, 334. 



Scab, potato, 441; wheat, 165. 



Score card, for barley, 232; corn, 

 130; oats, 210; wheat, 173. 



Sedatives, 19. 



Seed, what it is, 23; good, 24; 

 planting, 25. 



Seed corn, 66; plat, 128; selection, 

 113; storing, 121; time to select, 

 111; tree, 121; value of good, 117. 



Selection, 43. 



Seed production, 41. 



Silage, 91, 271. 



Small grains as forage, 346. 



Smut, barley, 226; corn, 102; oats, 

 201; wheat, 166. 



Soiling, 21, 271, 388. 



Sorghum, grain, 258; sweet, 336; 

 uses, 338; varieties, 340. 



Soybean, 397; adaptation, 398; cul- 

 ture, 398; description, 397; har- 

 vesting, 399; uses, 399. 



Spraying to kill weeds, 537. 



Spring wheat, 140. 



'Starch, 28. 



Stimulants, 19. 



Stomata, use of, 29. 



Stover, corn, 84, 271, 



Storing of food by plants, 27. 



Sugar beet, 451; adaptation, 452; 

 by-products, 456; culture, 453; de- 

 scription, 451; feeding value, 456; 

 history, 451; importance, 452; 

 manufacture of sugar from, 455; 

 production, 452; production of 

 seed, 454; pulp, 456. 



Sugar crops, 18, 451. 



Sugar cane, 456; adaptation, 457; 

 crushing, 461; cultivation, 460; de- 

 scription, 456; harvesting, 460; 

 propagation, 458; production, 457. 



Sunlight, need of by plants, 39. 



Sweet clover, 406. 



Sweet corn, 52. 



Sweet potato, 444; adaptation, 445; 

 description, 444; digging, 448; fer- 

 tilizers, 445; growing the plants, 

 446; preparation of the soil, 447; 

 setting the plants, 448; uses, 449; 

 varieties, 445. 



Teosinte, 346. 



Timothy, 311; care of meadow, 314; 

 description, 311; fertilizers, 313; 

 harvesting the seed, 316; making 

 hay, 314; pasturing, 315; soils, 

 313; sowing, 313; value, 315. 



Tobacco, 487; adaptation, 489; culti- 

 vation, 496; curing, 499; depcrip- 

 tion, 488, diseases, 497; fertilizers, 

 490; grading, 501; harvesting, 498; 



importance, 489; improvement, 

 497; insects, 497; marketing, 501; 

 preparation of land, 495; prepara- 

 tion of seed bed, 491; production, 

 489; returns, 502; seed selection, 

 497; setting the plants, 495; soils, 

 490; sowing the seed, 493; strip- 

 ping, 501; topping, 496; types, 488. 



Translocation, 27. 



Transpiration, 29. 



Tuber crops, 18, 422. 



Turnips, 418. 



Units of measure, 57. 



Vegetable matter, 36. 

 Velvet bean, 410. 

 Vetches, 409. 



Water, absorption of, 31; quantity 

 transpired, 29; vise of, 39. 



Weeder, use of, 77. 



Weeds, 522; annual, 523, 533; bien- 

 nial, 523; 533; agencies in spread 

 of, 529; benefits from, 528; classi- 

 fication, 522; effects, 524; eradica- 

 tion of, 533; in cultivated fields, 

 534; in grain fields, 535; in mead- 

 ows, 537; in pastures, 538; along 

 roadsides, 539; laws, 532; perenni- 

 als, 523, 533; spraying for, 537. . 



Wheat, 135; acre yield, 144; bran, 

 170; breeding, 171; classification, 

 138; cleaning seed, 149; club, 

 139; composition of, 170; cost of 

 production, 162; description, 136; 

 diseases, 165; durum, 139, 141; ex- 

 ports, 161; feed for live stock, 170; 

 fertilizers, 146; flour, 169; formal- 

 dehyde treatment for smut, 166; 

 grading seed, 149; growth, season 

 of, 136; harrowing, 152; harvest- 

 ing, 152, 153; imports, 161; im- 

 provement, 171; insect enemies, 

 167; judging, 172; manures, 146; 

 market grades, 160; marketing, 

 159; nurse crop, 169; origin, 135; 

 preparing land for planting, 147; 

 preparing seed, 148; prices, 161; 

 production, 141, 162; relationships, 

 135; rotations, 168; shocking, 153; 

 soils, 145; sowing, 150; spring, 

 140; stacking, 156; storing, 159; 

 thrashing, 157, 164; use as food, 

 169; velvet chaff, 141; varieties, 

 138, 150; winter, 139. 



Wheat grasses, 333. 



AVhite clover, 370. 



Wilting, 31. 



Winter wheat, 139. 



Wireworms, 103. 



Wood meadow grass, 321. 



