Plant | Low PPM | High PPM | StdDev | *Reference | |
---|---|---|---|---|---|
Vitis vinifera | Stem | -- | 365.0 | -0.5 | Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp. |
Yucca baccata | Root | 0.3 | 1.2 | -0.3 | * |
Zea mays | Silk Stigma Style | -- | 237.0 | * | |
Zingiber officinale | Rhizome | -- | 285.0 | * | |
Zingiber officinale | Root | 2.0 | 28.5 | -0.2 | * |