INDEX 



433 



at various localities, 132; of 

 capillary water, 137 ; loss of 

 SOU- water by, 165; causes of 

 evaporation of soil-moisture, 160 ; 

 conditions of evaporation from 

 soils, 136 ; in cloudy weather, 

 150 ; promoted by winds, 135 ; 

 furthered by alkali, 149 ; in 

 fall and winter, 133 ; chiefly 

 at surface, 139-141 ; regulating, 

 130 ; dry soils prevent, 148 ; 

 effect of rapid top drying of soils, 

 147-152 ; reduced by mulches, 

 155 ; cultivation reduces, 152- 

 156 ; fall plowing prevents, 127 ; 

 a cause of transpiration, 174. 

 Experiment Stations, work for dry- 

 farming, 365, 371. 



Fall, evaporation in, 134. 



Fallow, see also Cultivation. 



Fallowing. 122-125, 413, 414; 

 beneficial effects of, 188 ; di- 

 minishes evaporation, 138 ; effect 

 on transpiration, 188 ; to vary 

 with climate, 125, 202, 203; 

 in soil formation, 55 ; cause of 

 failure of fallow experiments, 124 ; 

 right kind of, 124 ; frequency of, 

 125 ; in all dry-farm districts, 

 194 ; hoed crops in place of, 200 ; 

 and plowing, 193 ; and seed-bed, 

 212 ; and amount to sow, 223 ; 

 and fall planting, 200, 218 ; and 

 crops, 124 ; danger of weeds on, 

 124, 162; in rotations, 299; 

 discussed by Dry-farming Con- 

 gress, 195 ; when adopted by 

 Campbell, 364 ; beginning of, 

 in Columbia Basin, 357 ; in 

 various states, 196, 197 ; re- 

 sults on Barnes farm, 405 ; occa- 

 sional, in Great Plains, 119; 

 results at Montana Station, 202 ; 

 Indian Head record, 408, 410 ; in 

 Saskatchewan, 202. 



Farrell, 98, 215, 216. 



2f 



Farrell, Geo. L., early dry-farmer 



in Utah, 355. 

 Fertility, see also Plant-food, Soil 



Fertility. 

 Fertilizers, effect on transpiration, 



182, 186. 

 Fescue grass, transpiration figures 



for, 185. 

 Field bean, 250. 

 Field pea, 249. 

 Fig, on dry farms, 252. 

 Fir, on dry-farms, 253. 

 Fleming and Staulking, 343. 

 Flood water, as source of perma- 

 nent supply, 334. 

 Flour, nutritive value of dry-farm, 



276. 

 False wheal, 240. 

 Forbes, 348. 



Fortier, 155, 158, 341, 342, 369. 

 Foster, 369. 



Franee, olive industry in Tunis, 252. 

 Frost, and fall planting, 216; and 



method of sowing, 225. 

 Fruit, dry-farm orchards in Great 



Plains, 252 ; on irrigated farms, 



236. 

 Fuller, 338. 

 Furrow, drill furrow and sowing, 



Garden, preparation on a dry-farm, 

 347. 



Gardner, 185. 



Gasoline, engines for pumping, 342 ; 

 machinery in dry-farming, 322, 

 325. 



Germany, cmmer in, 243 ; first 

 determinations of water vs. plant 

 production in, 12 ; steam plowing 

 in, 323 ; water absorption by 

 seeds in, 209. 



Germ life, effect of pore-space on, 

 102. 



Germination, see also Sowing ; con- 

 ditions of, 205 ; mechanism of, 

 208 ; effected by soil moisture, 



