Table 5 Leaf nutritional composition at the end of the experiment as affected by well and sewage water irrigations
From: Impact of sewage water irrigation on Datura innoxia grown in sandy loam soil
Parameter (mg/g dw) | Well water | Sewage water | P Value |
|---|---|---|---|
NO3 | 23 ± 1.29 | 33 ± 1.38 | 0.0016 |
PO4 | 0.87 ± 0.04 | 1.9 ± 0.06 | < 0.0001 |
Na | 11 ± 0.91 | 22 ± 1.11 | 0.0002 |
K | 23 ± 1.78 | 34 ± 1.11 | 0.0017 |
Mg | 4.6 ± 0.23 | 5.81 ± 0.41 | 0.0382 |
Ca | 3.5 ± 0.21 | 4.7 ± 0.29 | 0.0122 |
Fe | 7 ± 1.11 | 12 ± 1.11 | 0.0189 |
Zn | 0.9 ± 0.03 | 2.2 ± 0.44 | 0.0229 |
Cu | 0.2 ± 0.01 | 0.4 ± 0.05 | 0.0024 |
Mn | 78 ± 0.85 | 99 ± 3.57 | 0.0012 |
Cd | nd | nd | – |
Pb | nd | nd | – |