26 
Research Bulletin No. 5 
CHART III. — STORAGE 
STA T/OA/JVQ8TMPJ. A TZ£. F/ELD. 
OF MOISTURE IN THE SOIL BY SUMMER 
TILLAGE. 
PLAT..C....ROTAT/OM.MC. YP.I9Q9. T/?EATMEA/r..S,jyj/£Al.>90&. .. . 
CPOP. JiAL LOW. . . Y/ELD. vores bk Kir J}. . . 
4 
3 
2 
1 
0 
35 
FEB. 
c/{//VE 
uUL Y 
AC/G 
SEF7~ 
v£L | 
JMS$& 
| 
1 < 
"""^p 1 """ 
"OT 
-^4 
""Si 1 1 
i'!^' 1 '"""" 1 
0.22 
i 
4 
1 
— r 
- . i 
— u_ 
_i — i — 
.1 
Ml. . 
Li 
II „ 
i .11 
u 
-71 — 
1 1 i 
\n 
30 
25 
20 
15 
10 
5 
0 
35 
30 
25 
20 
15 
10 
5 
0 
35 
30 
25 
20 
15 
10 
5 
Zn. 

- — 
0 
35 
30 
25 
20 
15 
10 
5 
0 
35 
SO 
... 
25 
20 
IS 
10 
5 
0 
35 
SO 
25 
20 
5/7 
6/7 

IS 
lO 
5 
O 
Irregular solid line represents the moisture content of that foot-section. 
Broken line represents the point at which crops wilt, as determined by 
Briggs and Shantz. 
