| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Solanum tuberosum | Tuber | 310.0 | 1568.0 | -0.2 | * |
| Solanum melongena | Fruit | 60.0 | 1487.0 | 0.7 | * |
| Spinacia oleracea | Leaf | -- | -- | * | |
| Spinacia oleracea | Plant | 530.0 | 6294.0 | 2.2 | USDA's Ag Handbook 8 and sequelae) |
| Stachys officinalis | Shoot | -- | -- | * | |
| Tamarindus indica | Fruit | 140.0 | 204.0 | -0.9 | USDA's Ag Handbook 8 and sequelae) |
| Thymus vulgaris | Plant | 1370.0 | 1980.0 | -0.0 | USDA's Ag Handbook 8 and sequelae) |
| Trifolium pratense | Plant | -- | -- | * | |
| Trigonella foenum-graecum | Seed | 3120.0 | 3720.0 | -0.2 | * |
| Trigonella foenum-graecum | Leaf | -- | -- | * | |
| Triticum aestivum | Seed | 1000.0 | 4000.0 | -0.1 | * |
| Urtica dioica | Leaf | -- | -- | Jim Duke's personal files. | |
| Vaccinium corymbosum | Fruit | 110.0 | 715.0 | -0.3 | * |
| Valerianella locusta | Plant | 250.0 | 3470.0 | 0.8 | * |
| Vicia faba | Seed | 430.0 | 2265.0 | -0.5 | USDA's Ag Handbook 8 and sequelae) |
| Vigna unguiculata | Seed | 420.0 | 3805.0 | -0.1 | USDA's Ag Handbook 8 and sequelae) |
| Vigna unguiculata | Fruit | 400.0 | 3292.0 | 2.9 | USDA's Ag Handbook 8 and sequelae) |
| Vigna angularis | Seed | 2100.0 | 2426.0 | -0.5 | * |
| Vigna radiata | Sprout Seedling | 340.0 | 3571.0 | -0.6 | USDA's Ag Handbook 8 and sequelae) |
| Vigna aconitifolia | Seed | 2200.0 | 2436.0 | -0.5 | * |