Research Article
Levels and Health Risk Assessment of Heavy Metals in Soil, Water, and Vegetables of Dar es Salaam, Tanzania
Table 4
Soil-vegetable transfer coefficients (%) of heavy metals.
| Scientific name | Pb | Zn | Cu | Fe | Efficacy |
| I. batatas | 1.08 | 2.88 | 5.82 | 0.49 | 2.57 | A. hybridus | 0.61 | 1.87 | 5.48 | 0.38 | 2.09 | A. esculentus | 0.15 | 0.86 | 3.84 | 0.17 | 1.26 | S. melongena | 0.14 | 3.35 | 3.07 | 0.20 | 1.69 | Average | 0.50 | 2.24 | 4.55 | 0.31 | ā |
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