| Soil samples |
S1 |
S2 |
S3 |
S4 |
S5 |
S6 |
S7 |
S8 |
| First Crop
harvest |
Amaranthus |
Amaranthus |
Amaranthus |
Amaranthus |
Amaranthus |
Amaranthus |
-------- |
-------- |
| Growth period |
30 days |
30 days |
35 days |
45 days |
45 days |
55 days |
-------- |
-------- |
| Soil type
(0-15cm)
pH 1:1 |
5.9 |
6.1 |
6.3 |
6.5 |
6.7 |
6.9 |
6.7 |
6.9 |
| EC 1:1 dS/m |
0.32 |
0.48 |
0.45 |
0.52 |
0.38 |
0.44 |
0.46 |
0.47 |
| NO3 –N
mg/kg DW |
21.9 |
25.1 |
22.4 |
28.0 |
39.5 |
33.3 |
56.3 |
57.8 |
| NH4-N
mg/kg DW |
2.66 |
2.72 |
2.48 |
3.16 |
3.11 |
2.72 |
4.83 |
5.25 |
| % Pb uptake |
27.5 |
27.7 |
29.1 |
32.1 |
28.6 |
27.9 |
----- |
----- |
| % Cd uptake |
12.9 |
13.2 |
14.3 |
14.1 |
14.1 |
13.5 |
----- |
----- |
| % Zn uptake |
9.42 |
10.24 |
9.82 |
8.43 |
8.50 |
8.11 |
---- |
----- |
| % Ni uptake |
6.36 |
7.11 |
6.53 |
5.18 |
5.98 |
5.99 |
----- |
----- |
| % Cu
uptake |
11.95 |
11.55 |
11.06 |
10.76 |
10.62 |
10.20 |
----- |
------ |
|
