434 



INDEX 



209 ; best amount of water for, 

 210; effect of nitrates on, 210; 

 effect of incomplete, 217; and 

 drill culture, 226. 



Gla-ciers, in soil formation, 53. 



Goodale, 206. 



Gooseberries, on dry-farms, 253. 



Grace, 301. 



Grain, root system, S3 ; relation of 

 roots to, 216; ratio of straw 

 and grain, 18 ; ratio to straw 

 and climate, 261 ; cultivating 

 grain between rows, 163. 



Granites, and clay soils, 57. 



Grapes, on dry-farms, 253, 386. 



Grasses, root system, 83 ; depth of 

 roots, 88. 



Gravel, effect of gravel seams, 62. 



Gravitational soil-water, 104. 



Greasewood, SO. 



Great Basin, description, 35; geo- 

 logical history of, 75 ; soils dis- 

 trict of, 75 ; lime in soils of, 70 ; 

 hygroscopic moisture in soils of, 

 103; depth of soQ-water, 112; 

 cedars in, 251 ; fall sowing in, 

 215; grapes in, 253; water in 

 crops from, 264; present status 

 of dry-farming in, 3S6. 



Great Plains, description, 35; soil, 

 74 ; blowing of soils in, 198 ; 

 conditions of water storage in 

 soils, 115; water storage in soils 

 of, 122 ; one difficulty of soil- 

 water storage, 134; fall plowing 

 in, 195 ; spring plowing in, 129 ; 

 cultivation in, 162 ; and the 

 fallow, 119, 197-202; sowing in, 

 215; and Crimean wheats, 238; 

 dry-farm orchards in. 252; rota- 

 tions of crops in, 298 ; water in 

 crops from, 264 ; an originator 

 of dry-farming, 193; first scien- 

 tific work on dry-farming, 3G7 ; 

 beginnings of dry-farming in, 

 358 ; originated dry-farming 

 independently, 359 ; Campbell's 



work for, 362 ; reason for dry- 

 farm failures, 358. 



Great Salt Lake, 75 ; entrance to, 

 354. 



Greaves, Stewart and, 190, 263. 



Green manuring, 297. 



Growth, and transpiration, 183. 



Gutters, roof gutters source of water 

 supply, 336. 



Gypsum, effect on soil structure, 

 102. 



Hall, 261, 271, 291. 



Hardpan, definition and kinds, 

 62. 



Harris, Fisher, president Dry- 

 farming Congress, 376. 



Harrowing, see also Cultivation; the 

 dry-farm, 414; use of harrow 

 for various purposes, 310; use 

 of disk harrow, 311; smoothing 

 harrow, 310; after plowing, 129; 

 on growing crops, 227 ; crops in 

 spring, 160. 



Harvester, combined harvester and 

 thresher, 230, 321. 



Harvesting, 228-231 ; soil-water at, 

 117; implements for, 320. 



Hay, water in, 262 ; nutritive value, 

 275. 



Headden, 286. 



Header, see also Straw, Stubble; use 

 on dry-farms, 22S, 321; stubble, 

 value in shading, 151 ; value of 

 header stubble in transpiration, 

 191 ; and soil fertility, 289. 



HcUriegel, 12, 184. 



Henderson, 369. 



Henry, 25, 38. 45. 



High Plateaus, 76. 



Hilgard, 51, 61, 68, 73, 77, 90, 351, 

 357. 



History of Dry-farming, 351-381 ; 

 Jethro Tull and dry-farming, 378 ; 

 dry-farming originated independ- 

 ently in four sections, 359 ; 

 methods originated alike in all 



