INDEX 



443 



Tarahumari Indians, as dry-farm- 

 ers, 353. 



Temperature, and soil formation, 52 ; 

 of dry-farm territory, 42 ; factor 

 in transpiration, 177 ; in germi- 

 nation, 206. 



Tennessee Winter barley, 242. 



Texa^, area, 27 ; type of rainfall 

 over, 40 ; soils of, 74 ; evapora- 

 tion in, 132 ; climate and plant 

 composition in, 272 ; milo in, 

 245 ; present status of dry-farm- 

 ing in, 390. 



Texas Station, dry-farming in, 370. 



Thames, transpiration in water 

 from, 180. 



Thresher, combined with harvester, 

 230, 321. 



Tillage, see Cultivation, Mulch; "is 

 manure," 204; "is moisture," 

 204. 



Tilth, good tilth, 101. 



Tomato, water need of, 178. 



Tooele County, Utah, early dry- 

 farming in, 356. 



Topography, of dry-farm territory, 

 35-38. 



Traction engines, 321. 



Transpiration, compared with evap- 

 oration, 166 ; value of, 175 ; 

 evap jration a cause of, 174 ; 

 conditions influencing, 175 ; and 

 plant-food, 180 ; and header 

 stubble, 191 ; effect of stopping, 

 175 ; for a pound dry matter, 

 182 ; loss of soil-water by, 165 ; 

 regulating the, 165, 186. 



Transvaal, fallowing in, 197; steam 

 plowing in, 323. 



Trees, extent of root development, 

 91 ; for dry-farms, 251. 



Tschaplowitz, 183. 



Tull, Jethro, 204, 226, 317, 362; 

 life and works, 378. 



Tunis, cultivating wheat in, 163 ; 

 olive industry in, 252 ; early 

 dry-farming in Tunis, 352. 



Turkey, fallowing in, 197 ; present 

 status of dry-farming in, 396 ; 

 wheat, 238. 



United States, rainfaU over, 25; 

 soil di\asions of, 74. 



United States Department of Agri- 

 culture, 185, 197, 233, 237, 372, 

 373. 



United States Weather Bureau, 25, 

 38, 372. 



Utah, area, 26 ; type of rainfall in, 39 ; 

 soils of, 75, 76; increase in fer- 

 tility of, 228 ; evaporation in, 

 132 ; deep and fall plowing in, 

 195 ; water storage from fall 

 plowing, 127 ; fallowing in, 196 ; 

 depth of roots in, 90 ; water 

 absorption by seeds in, 209 ; 

 run-off from torrential rain, 98 ; 

 water requirements of plants in 

 Utah, 16; drouth of 1910, 411; 

 wells on Utah deserts, 339, 340 ; 

 milo in, 246 ; dry-farm peach 

 orchard in, 251 ; size of a dry- 

 farm in, 301 ; continuous record 

 of Barnes farm, 403 ; composi- 

 tion of flour from, 276 ; origi- 

 nated dry-farming, 193, 354, 359 ; 

 present status of dry-farming in, 

 386 ; second Dry-Farming Con- 

 gress in Salt Lake City, 376; 

 state aid for dry-farm studies, 

 368. 



Utah Station, 84, 109, 112, 120, 

 124, 140, 138, 151, 155, 158, 

 1S5, 187, 261, 267, 345, 368. 



Varieties, see also Crops; need of 



standard wheat, 240. 

 Vegetables, on dry-farms, 254 ; on 



irrigated farms, 236. 

 Vegetation, native vegetation on 



arid soils, 79. 

 Vernon, Lovett, and Scott, 343. 

 Vetch, 251 ; tor nitrogen, 297. 



