| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Pisum sativum | Fruit | 7.5 | 74.0 | 3.6 | * |
| Vicia faba | Seed | -- | 50.0 | 3.5 | ANON. 1948-1976. The Wealth of India raw materials. Publications and Information Directorate, CSIR, New Delhi. 11 volumes. |
| Cichorium endivia | Leaf | 9.0 | 145.0 | 3.3 | * |
| Cucumis sativus | Fruit | 2.5 | 63.0 | 2.9 | * |
| Lycopersicon esculentum | Fruit | 1.0 | 61.0 | 2.7 | * |
| Nasturtium officinale | Plant | 3.0 | 62.0 | 1.9 | * |
| Zea mays | Seed | 4.0 | 34.0 | 1.8 | USDA's Ag Handbook 8 and sequelae) |
| Pastinaca sativa | Root | 6.0 | 29.0 | 1.7 | * |
| Fragaria spp | Fruit | 3.4 | 40.0 | 1.4 | USDA's Ag Handbook 8 and sequelae) |
| Arachis hypogaea | Seed | 17.0 | 30.0 | 1.4 | * |
| Persea americana | Fruit | 8.0 | 37.7 | 1.2 | * |
| Avena sativa | Seed | 4.4 | 28.3 | 1.2 | Jim Duke's personal files.* |
| Malpighia glabra | Fruit | 3.0 | 36.0 | 1.1 | * |
| Brassica rapa | Root | 2.0 | 25.0 | 1.1 | * |
| Vigna radiata | Sprout Seedling | 2.9 | 48.0 | 1.0 | USDA's Ag Handbook 8 and sequelae) |
| Cynara cardunculus | Flower | 3.0 | 23.0 | 1.0 | USDA's Ag Handbook 8 and sequelae) |
| Allium cepa | Bulb | 1.0 | 16.0 | 1.0 | USDA's Ag Handbook 8 and sequelae) |
| Apium graveolens | Pt | 1.0 | 36.0 | 1.0 | USDA's Ag Handbook 8 and sequelae) |
| Ipomoea batatas | Root | 5.0 | 24.0 | 0.9 | * |
| Avena sativa | Plant | 3.5 | 45.3 | 0.9 | Jim Duke's personal files.* |