Layer (depth cm)
pH (H
2
O)
Electrical conductivity dS/cm 1:1
NO
3
-N
mg/kg DW
NH
4
-N
mg/kg DW
1 (0-15)
6.4
0.44
60.9
9.65
2 (15-35)
6.5
0.23
20.5
8.30
Table 1:
Chemical characteristics of the soil profile at the studied vases (before adding chemical substances and pre growing of
Amaranthus
).
