INDEX 



517 



Plants, evaporation of water, 8 



food sources, 6 



number cultivated, 1 



root system, 7 

 Plowing, fall or spring, 68 



for cotton, 226 



for wheat, 124 

 Pop-corn, 47, 90 

 Potatoes, classification, 259 



characteristics of tubers, skin, 

 flowers, etc., 259 



climate and soils for, 264 



composition, 264 



culture, 271 



degeneration, 266 



description of plant, 257 



diseases and insects, 279 



fertilizers for, 267 



harvesting, 277 



improvement in breeding, 284 



insects, 284 



level or ridge cultivation, 276 



lime for, 268 



market types, 263 



mixing Bordeaux, 282 



principal groups, 261 



production, 255 



rate of planting, 274 



rotations for, 268 



source of seed, 271 



storage, 278 



Prairie hay market grades, 484 

 Production, barley, 3, 174 



buckwheat, 196 



corn, 3, 41 



cotton, 3, 203 



flax, 239 



grass seeds, 325 



hay, 3, 301 



oats, 3, 141 



peanuts, 439 



potatoes, 3, 255 



rice, 3 



rye, 3, 189 



sorghum, 244 



sweet potatoes, 290 



tobacco, 3, 458 



wheat, 3, 104 



Rape, 456 

 Red clover, 398 



fertilizers for, 402 

 inoculation, 406 

 seed production, 404 

 varieties, 400 



Redtop, 348 

 Root crops, 450 



beets, 450 

 carrots, 456 

 turnips, 454 

 Roots, alfalfa, 387 



corn, 49 



general functions, 5 



grasses, 309 



study of, 30 



temporary and permanent, 21 

 Rotation farming, 34 

 Rotations for tobacco, 470 

 Rust of wheat, 137 

 Rye, classification, 191 



culture, 193 



harvesting, 193 



market grades of, 491 



production of, 3, 189 



straw, 194 

 Rye-grass, 362 



Score card for corn, 96, 102 

 oats, 172 

 wheat, 135 

 Seeds, alfalfa, 393 



brome-grass, 358 



Canada blue-grass, 356 



composition of, 26 



formation of, 26 



function of, 13 



germination of grass, 324 

 tests, 15, 19 



good, 14 



grass, 317 



production of, 325 



hard, 323 



Kentucky blue-grass, 354 



laboratory exercise, 330 



large and small seeds, 16, 160 



legal weight per bushel, 482 



orchard-grass, 350 



preserving vitality, 13 



production of grass, 325 



red clover, 404 



redtop, 348 



structure of seeds, 17 



sweet clover, 410 



timothy, 344 



weight per bushel, 323, 482 

 Shrinkage of corn, 84 



potatoes, 279 



wheat, 133 

 Siberian millet, 370 

 Silage, 85 



