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Total Plants: 186
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Plant Low PPM High PPM StdDev *Reference
Beta vulgaris Root 1.0 80.0 2.1 *
Brassica napus var. napobrassica Root 2.5 30.0 0.2 ACTA AGRIC SCAND SUPPL 22: 1980
Brassica oleracea var. italica Leaf 1.0 85.0 0.6 *
Brassica oleracea var. botrytis l. Flower 1.0 76.0 1.2 *
Brassica rapa Root 2.0 20.0 -0.1 *
Brassica oleracea var. gemmifera Stem -- 21.0 -0.7 *
Brassica oleracea var. botrytis l. Leaf 1.0 85.0 0.6 *
Brassica napus var. napobrassica Leaf -- 52.0 -0.3 *
Brassica pekinensis Leaf 13.3 21.0 -1.1 *
Brassica oleracea var. gemmifera Leaf -- 57.0 -0.1 *
Brassica napus var. napobrassica Stem -- 24.0 -0.5 *
Brassica oleracea var. italica Stem -- 21.0 -0.7 *
Brassica oleracea var. capitata l. Leaf 1.0 145.0 2.3 *
Brassica oleracea var. botrytis l. Stem -- 21.0 -0.7 *
Capsicum frutescens Fruit 4.0 17.0 -0.5 Betting on Boron, Unpublished draft by J. A. Duke on file at USDA, draft and papers relating to boron percentages.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).
Capsicum annuum Fruit 1.0 74.0 0.7 *
Carica papaya Fruit 5.0 15.0 -0.5 *
Carya ovata Shoot 2.0 63.0 0.0 *
Carya ovata Seed -- 8.5 -0.7 *
Carya illinoensis Seed 6.5 7.6 -0.8 *
*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.