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Total Plants: 186
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Plant Low PPM High PPM StdDev *Reference
Zingiber officinale Root 1.0 4.0 -0.7 Betting on Boron, Unpublished draft by J. A. Duke on file at USDA, draft and papers relating to boron percentages. Includes Internat. Z. Vit. Ern. Forschung 43:1973 (boron).
Zingiber officinale Rhizome 1.0 4.0 *
Zea mays Seed -- 15.0 -0.4 *
Xanthosoma sagittifolium Root 0.9 6.5 -0.6 *
Vitis vinifera Fruit 1.0 50.0 0.2 *
Vigna unguiculata Seed 3.0 60.0 1.7 *
Vigna unguiculata Seed 3.0 60.0 1.7 *
Valerianella locusta Plant 275.0 350.0 2.6 *
Valerianella radicata Plant 13.8 16.6 -0.6 *
Valerianella locusta Plant 275.0 350.0 2.6 *
Vaccinium myrtillus Fruit 0.6 10.0 -0.6 ACTA AGRIC SCAND SUPPL 22: 1980
Vaccinium macrocarpon Fruit 1.0 8.0 -0.6 ACTA AGRIC SCAND SUPPL 22: 1980
Vaccinium vitis-idaea Fruit 1.4 11.0 -0.6 *
Vaccinium corymbosum Fruit 0.1 13.0 -0.5 *
Urtica dioica Leaf 6.0 47.0 -0.4 *
Triticum aestivum Seed 1.0 16.0 -0.4 *
Trifolium pratense Stem -- 16.0 -1.1 *
Trifolium pratense Leaf -- 23.0 -1.0 *
Thymus vulgaris Plant 34.0 48.0 -0.3 Betting on Boron, Unpublished draft by J. A. Duke on file at USDA, draft and papers relating to boron percentages. Includes Internat. Z. Vit. Ern. Forschung 43:1973 (boron).
Tephrosia candida Plant -- 32.0 -0.5 *
*Unless otherwise noted all references are to Duke, James A. 1992. Handbook of phytochemical constituents of GRAS herbs and other economic plants. Boca Raton, FL. CRC Press.