16 BULLETIN 270,.U. S. DEPARTMENT OF AGRICULTURE. 
YIELD /N BUSHELS |\PREC/P?- 
YEAR CLASS VARIETY C/. NE 
PER ACRE TATION 
9 
r N 
ee ete __{ MUBANKA | /#40 N 
BEE UME { ARNAUTKA | 3€93 N < N 
POWER 3697 S g 8 
[OIE HSH Ss = =S= GHIPKA 1517 N 
L9O39 § GLYNDON | 2873 ez = S S g 
ae ve ( DAKOTA 3083 SETI X 
SLUESTEM | HAYNES | 302/ eee MUM d | xg 
PRESION RETA 8G aE 3696 ——— Nee 1° 
( HUBANKA | /#40 
CORON ae ran ARNAUTKA | 3693 iS 
= ( POWER 3697 
(Ff Ee a eae SS GH/IRKA 1517 
W/O | GLYNDON | 2873 
DAKOTA 3083 
BLUESTEM -———-> ayes 302/ 
PESTON, oS tee —| 3698 
a 
aba oa. AUBANKA | (440° 
DURUM { ARNAUTKHA | 3693 
POWER 3627 
/ ED ai ee pee Tar GH/RPKA (517 
191/ GLYNDON | 2873 
DAKOTA 3083 
BLUYESTEM-—~—— HAVNES 302/ 
(DAES IG) Se SS 3698 
foie tes AUBANKA /440 
CZ ht { ARNAUTKA | 3623 
POWER 3627 
ELF ES as 553 ss 25 GH/RKA 15/7 
VH2 GLYNDON 2873 = 
Eee DAKOTA 3083 ERIM ME oles 
BLUESTEM { HAYNES 302/ P2227 LAL LiL 
(DEFT (2) | ee SS 3698 
HUBANAA 1440 
EZ an A as { ARNAUTIA | 3693 
POWER 3697 
Gh Pea ae GH/PIA 48/7 
413 GLYNDON | 2873 
sae DAKOTA 3083 ZSZSZZIL MUM Md 
\BLUESTEM. HAYNES 302/ 23.2 HMM 
e [PRESTON SS 5 SS 3698 
pee ee fe, KUBANAA /440 
(ourunm ees UTAA | 3693 
POWER 3697 
VA ara GH/IRHA 4517 
4/4 GLYNDON | 2873 
DAKOTA 3083 
BLYESTEM-—----- { HAYNES 302/ 
CRE STOMA 2 Ft Ee 3698 
eg ea AUBANKA 1440 
DURUM ARNAUTKA | 3693 
LOWER 3697 
AVEP?-\ FIFE ------------ GHIPKA 15/7 
GLYNDON | 2873 : 
aes DAKOTA | 3083 eM MM 
———— = le 
BLUESTE NM HAYNES | 302/ V, 29.0 LILLE 
a GAOM ana ne 3698 
Fig. 6.—Diagram showing the annual and average yields of leading varieties in four different groups of 
spring wheat at the Williston substation, with data on the annual and seasonal precipitation for the six 
years from 1909 to 1914, inclusive. 
WELL Litas Wate ee aii be hay ere 
APPR e isis 9 20 5 ncn a Mipnget ips All pte 
