434 
209; best amount of water for, 
210; effect of nitrates on, 210; 
effect of incomplete, 217; and 
drill culture, 226. 
Glaciers, in soil formation, 53. 
Goodale, 206. 
Gooseberries, on dry-farms, 253. 
Grace, 301. 
Grain, root system, 83; 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, 80. 
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 soil-water, 112; 
cedars in, 251; fall sowing in, 
215; grapes in, 253; water in 
crops from, 264; present status 
of dry-farming in, 386. 
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, 367; 
beginnings of dry-farming in, 
358; originated dry-farming 
independently, 359; Campbell’s 
INDEX 
work for, 362; reason for dry- 
farm failures, 358. 
Great Salt Lake, 75; 
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. 
entrance to, 
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, 228, 321; stubble, 
value in shading, 151; value of 
header stubble in transpiration, 
191; and soil fertility, 289. 
Hellriegel, 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 
