162 
PACIFIC SCIENCE, Vol. I, July, 1947 
TABLE 7. TOMATO-RED SOIL 
Yield Data and Arsenic Content of Tissues. 
CAN 
NUMBER 
As 2 0 3 
CONTENT 
OF SOIL 
SERIES I 
AVERAGE OF 4 LATER SERIES 
Green weight 
of plants 
As 2 0 3 content 
of tissues 
Green weight 
of plants 
As 2 0 3 content 
of tissues 
ppm 
gm. per can 
ppm 
gm. per can 
ppm 
1 
15 
25.7 
1.8 
12.8 
0.9 
2 
25 
30.0 
1.6 
12.5 
1.3 
3 
34 
29.7 
1.6 
13.1 
1.1 
4 
45 
27.7 
2.4 
12.3 
1.3 
5 
54 
» 26 ' 7 
1.6 
13.4 
1.5 
6 
65 
25.3 
1.8 
13.2 
1.1 
7 
74 
27.7 
2.4 
14.0 
1.5 
8 
85 
27.0 
2.4 
12.8 
1.7 
9 
95 
28.0 
2.6 
13.7 
1.5 
10 
104 
33.0 
2.6 
15.7 
1.3 
11 
115 
29.0 
2.6 
14.0 
1.8 
12 
214 
30.0 
2.6 
13.9 
2.1 
13 
314 
28.7 
3.4 
12.2 
2.9 
14 
414 
26.7 
3.7 
13.1 
3.0 
15 
514 
26.7 
5.8 
13.7 
3.0 
16 
614 
23.6 
6.9 
11.3 
4.9 
17 
714 
8.7 
21.7 
7.3 
4.1 
18 
814 
4.4 
52.3 
5.9 
4.9 
19 
915 
5.3 
29.6 
6.6 
6.1 
20 
1014 
2.0 
6.3 
8.1 
21 
1514 
3.1 
5.4 
9.0 
22 
2014 
1.6 
4.8 
19.9 
23 
2515 
0.9 
3.2 
26.9 
24 
3014 
0.8 
. 
2.7 
52.7 
TABLE 8. TOMATO-BLACK SOIL 
Yield Data and Arsenic Content of Tissues. 
CAN 
NUMBER 
As 2 0 3 
CONTENT 
OF SOIL 
SERIES I 
AVERAGE OF 2 
LATER SERIES 
Green weight 
of plants 
As 2 0 3 content 
of tissues 
Green weight 
of plants 
As 2 0 3 content 
of tissues 
ppm 
gm. per can 
ppm 
gm. per can 
ppm 
1 
15 
29.0 
2 
25 
30.0 
1.6 
38.3 
0.8 
3 
34 
32.0 
1.3 
39.8 
1.5 
4 
45 
27.0 
1.8 
41.0 
1.5 
5 
54 
29.0 
2.1 
39.4 
1.7 
6 
65 
26.0 
2.9 
40.2 
2.1 
7 
74 
32.0 
5.0 
38.7 
1.2 
8 
85 
28.0 
2.4 
41.2 
2.0 
9 
95 
29.0 
2.1 
37.5 
1.5 
10 
104 
30.0 
2.1 
39.9 
1.6 
11 
115 
29.0 
5.8 
34.0 
1.8 
12 
214 
30.0 
2.6 
33.0 
2.6 
13 
314 
31.0 
3.4 
39.0 
2.1 
14 
414 
28.0 
4.0 
38.3 
2.1 
15 
514 
29.0 
5.8 
34.4 
3.7 
16 
614 
31.0 
5.8 
35.8 
5.8 
17 
714 
28.0 
6.9 
31.5 
9.1 
18 
814 
24.0 
8.5 
34.7 
4.8 
19 
915 
25.0 
8.7 
38.8 
11.1 
20 
1014 
30.0 
9.2 
31.5 
15.8 
21 
1514 
27.0 
29.6 
35.9 
11.9 
22 
2014 
25.0 
64.2 
29.5 
30.5 
23 
2515 
22.0 
103.8 
28.5 
35.1 
24 
3014 
20.0 
76.1 
32.3 
50.0 
