| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Bertholletia excelsa | Seed | -- | 1.2 | 1.7 | Furr, A.K., et al. 1979 |
| Juglans nigra | Seed | -- | 0.4 | -0.1 | Furr, A.K., et al. 1979 |
| Vigna unguiculata | Seed | -- | 0.1 | -0.8 | * |
| Vigna unguiculata | Seed | -- | 0.1 | -0.8 | * |
| Lycopersicon esculentum | Fruit | 7.0 | 60.0 | * | |
| Carya ovata | Shoot | 4.0 | 63.0 | * |