277 
STATES. 
UNITED 
ON DRY-FARMING INVESTIGATIONS IN THE 
Akron, COLORADO, 1912. 
Fatuow. 
AKron, CoLoRADO, 1911. 
Spring WuuEAt. 
ET AEA AE HT 
: 
STU ALE 
HUE TEV AT UMD MHBBEER HT ONTEOCUHUUOENLSHETUETE 
BINT NTT 
MWM~SBYSRRL IS OGSRK LSM ORFSRILLHO FRA ALLO BFRRLL oO“ As eeesee 
ar ee ee ee 
S % : ” 
CE OTOH HUE 
[MAY LJUNE | SULY | 
g wheat and fallow plats at Akron, Colorado, 
The dotted lines represent the wilting ccefficient for 
to a depth of 6 feet. 
Fig. 5.—Moisture conditicns in sprin 
each foot-section. 
ished the 
oot-system is already establi 
ure-content below the wiltin 
the r 
pplement the growth 
where 
crop is able to reduce the moist 
and can use this to su 
In other words, 
from lower levels. 
g coefficient, 
-water that it 1s drawin 
ley 
to} 
(See fig. 5, 1911.) On the other hand, crop-plants 
