Memenrsd
ene
40 7
© X-1
O
a X-2
oO X-3
0
oO
!
O
20 4
A
QO
©
&é&
10 7
©
oO
E
a
6
—
=
t
N
4-
a
i
2 +
o
&
'
1
7
5
T
10
T
15
T
20
SAMPLE DEPTH (CM)
FIGURE B-9-6. AVERAGE SOIL CONCENTRATIONSOF 241am VS. DEPTH IN PROPOSED
PLOWING EXPERIMENT AREAS
B-9-14