458 



INDEX 



Harvesting fruit, 328 



grading for market, 333 

 judging, 334 

 packing for market, 333 

 special harvesters, 330 

 when to pick, 330 

 Hay, 151 



caps, 175 



balers, 162 

 . forks, 163 



rakes, 161 

 Health, 450 

 Hellebore, 422 

 Hemiptera, 393 

 Hemp, 306 



seeding, 307 



soil for, 306 



yield, 30& 

 Henequin, 310 

 Heredity, 22 



Mendel's law of, 31, 33 

 Hessian fly, 401 

 Hickory nut, 362 

 Hops for brewing, 214 

 Horse radish, 270 

 Hotbeds, 258 

 Humus, 70, 87 



adding, 91, 103 

 Hybridizing, 33 

 Hymenoptera, 398 



Insect enemies, 398 



natural, 399 



predaceous, 399 



remedies for, 398 

 Insecticides, 420 

 contact, 422 

 Insects, economic, chapter on, 390 



control of, 417 



by crop rotation, 418 

 trap crops for, 418 



life histories of, 398 



orders of, 393 



pinning, 407 



trapping, 419 



true, 390 



Irrigation, and drainage, chapter on, 

 126 



methods of, 134 



overhead, 134 



of potatoes, 229 



systems, 132 



water for, 133 

 Japan clover, 179 

 Johnson grass, 152, 381 

 Jute, 312 



Kainit, 120 

 Kale, 250 



sea, 274 



Kerosene emulsion, 424 

 Kohlrabi, 251 



Laboratory exercises, end of each 



chapter 



Labor, utilizing, 439 

 Land-plaster, 106 

 Layering, mound, 59 



tip, 58 



vine, 59 

 Leaves, 4 



in relation to light, 7 



office of, 5 



structure of, 6-12 

 Leeks, 272 



Leguminous crops, chapter on, 165 

 Lepidoptera, 394 

 Lespedeza, 179 

 Lettuce, 264 

 Level, farm, 135 



running, 135 

 Lime, 108 



action of, 112 



air-slaked, 111 



burned, 110 



concentrated, 422 



effects of, 109 



forms of, 110, 124 



for alfalfa, 171 



hydrated, 111 



need of, 110 



rate of application, 113 



self-boiled, 422 



sulfur, 422 



Liming, methods of, 114 

 Loam, Carrington, 78 



Fargo clay, 78 



Heavy clay, 77 



Marshall silt, 78 



Miami clay, 78 



sandy, 77 



Machinery, forage crop, 160 

 Mangel-wurzels, 243 



cultivating, 243 



feeding, 244 



harvest, 244 



planting, 243 



storing, 244 



thinning, 244 



Manila, fiber (abaca), 308 

 Manure effect of, 124 



