Plant | Low PPM | High PPM | StdDev | *Reference | |
---|---|---|---|---|---|
Zea mays | Seed | -- | -- | * | |
Humulus lupulus | Inflorescence | -- | 3.7 | * | |
Humulus lupulus | Flower | -- | 3.7 | * | |
Brassica oleracea var. capitata l. | Leaf | -- | 0.9 | Jim Duke's personal files. | |
Daucus carota | Root | -- | 7.0 | * |