INDEX 
Winter-killing, cause of, 214; and 
amount to sow, 223. 
Winter precipitation, amount stored 
in soil, 115. 
Winter wheats, 238. 
Wisconsin, water requirements of 
plants in Wisconsin, 15; meat in 
oats from, 261. 
Wollny, 12. Sie 
Woodward, 180, 183. 
World, dry-farm area of world, 32. 
Wyoming, area, 26; type of rain- 
fall over, 40; soils of, 74; evap- 
445 
oration in, 182; deep and fall 
plowing in, 195; pumping plants 
in, 342; Wyoming Station, be- 
ginnings of dry-farming in, 369; 
third Dry-farming Congress in 
Cheyenne, 376; present status 
of dry-farming in, 389. 
Year, of drouth, 399; of drouth, 
defined, 402. 
Young, Brigham, entrance to Great 
Salt Lake Valley, 354. 
